diff --git a/.changelog/lang_zh-Hans.json b/.changelog/lang_zh-Hans.json
index fa0107c4..789e780d 100644
--- a/.changelog/lang_zh-Hans.json
+++ b/.changelog/lang_zh-Hans.json
@@ -17,6 +17,7 @@
         "README.md 中部分语言日期格式不正确的问题"
       ],
       "improvement": [
+        "关于应用与开发者页面增加水平布局适配",
         "打包单文件时自动读取并勾选已安装应用的声明权限 _[`issue #362`](http://issues.autojs6.com/362)_",
         "版本更新信息支持多语言显示 (与当前显示语言同步)",
         "使用异步加载方式一定程度提升文件管理器列表滑动流畅性"
diff --git a/app/src/main/java/org/autojs/autojs/App.kt b/app/src/main/java/org/autojs/autojs/App.kt
index 68830ff4..e91eacf9 100644
--- a/app/src/main/java/org/autojs/autojs/App.kt
+++ b/app/src/main/java/org/autojs/autojs/App.kt
@@ -64,7 +64,7 @@ class App : MultiDexApplication() {
         setUpLeakCanary()
 
         AutoJs.initInstance(this)
-        GlobalKeyObserver.initIfNeeded()
+        GlobalKeyObserver.initIfNeeded(applicationContext)
         setupDrawableImageLoader()
         TimedTaskScheduler.init(this)
         initDynamicBroadcastReceivers()
diff --git a/app/src/main/java/org/autojs/autojs/network/UpdateChecker.java b/app/src/main/java/org/autojs/autojs/network/UpdateChecker.java
index 6318b65f..31aab773 100644
--- a/app/src/main/java/org/autojs/autojs/network/UpdateChecker.java
+++ b/app/src/main/java/org/autojs/autojs/network/UpdateChecker.java
@@ -63,6 +63,7 @@ import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.Executor;
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicReference;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
@@ -114,11 +115,15 @@ public class UpdateChecker {
             mPendingDialog.show();
         }
 
+        AtomicReference<String> errorBlob = new AtomicReference<>();
+        AtomicReference<String> errorRaw = new AtomicReference<>();
+
         Observable<ResponseBody> obsBlobSafe = getStreamingApi()
                 .streamingUrl(URL_VERSION_PROPS_BLOB)
                 .subscribeOn(Schedulers.io())
                 .onErrorResumeNext(e -> {
                     Log.d(TAG, "Error from obsBlobSafe while parsing version.properties");
+                    errorBlob.set(e.getMessage());
                     e.printStackTrace();
                     return Observable.empty();
                 });
@@ -128,13 +133,14 @@ public class UpdateChecker {
                 .subscribeOn(Schedulers.io())
                 .onErrorResumeNext(e -> {
                     Log.d(TAG, "Error from obsRawSafe while parsing version.properties");
+                    errorRaw.set(e.getMessage());
                     e.printStackTrace();
                     return Observable.empty();
                 });
 
         Observable.amb(Arrays.asList(obsBlobSafe, obsRawSafe))
                 .observeOn(AndroidSchedulers.mainThread())
-                .switchIfEmpty(Observable.error(new Exception("To trigger onError")))
+                .switchIfEmpty(Observable.error(new ObservableEmptyException()))
                 .subscribe(new SimpleObserver<>() {
                     @Override
                     public void onNext(@NotNull ResponseBody responseBody) {
@@ -188,9 +194,32 @@ public class UpdateChecker {
                         }
 
                         if (mPromptMode == PromptMode.DIALOG) {
-                            new Dialog.Builder.Prompt(mContext, R.string.error_check_for_update, e.getMessage())
-                                    .positiveText(R.string.text_cancel)
-                                    .build().show();
+                            if (!(e instanceof ObservableEmptyException)) {
+                                new Dialog.Builder.Prompt(mContext, R.string.error_check_for_update, e.getMessage())
+                                        .positiveText(R.string.dialog_button_dismiss)
+                                        .build().show();
+                                return;
+                            }
+                            if (errorBlob.get() != null || errorRaw.get() != null) {
+                                StringBuilder message = new StringBuilder();
+                                if (errorBlob.get() != null) {
+                                    message.append("Error message of blob:\n\n").append(errorBlob.get());
+                                }
+                                if (errorRaw.get() != null) {
+                                    if (message.length() > 0) {
+                                        message.append("\n\n");
+                                    }
+                                    message.append("Error message of raw:\n\n").append(errorRaw.get());
+                                }
+                                new Dialog.Builder.Prompt(mContext, R.string.error_check_for_update, message.toString())
+                                        .positiveText(R.string.dialog_button_dismiss)
+                                        .build().show();
+                            } else {
+                                new Dialog.Builder.Prompt(mContext, R.string.error_check_for_update,
+                                        R.string.error_failed_to_retrieve_version_properties_file_to_parse_version_information)
+                                        .positiveText(R.string.dialog_button_dismiss)
+                                        .build().show();
+                            }
                         }
                     }
                 });
@@ -887,4 +916,8 @@ public class UpdateChecker {
 
     }
 
+    private static class ObservableEmptyException extends RuntimeException {
+        /* Empty body. */
+    }
+
 }
\ No newline at end of file
diff --git a/app/src/main/java/org/autojs/autojs/ui/settings/AboutActivity.kt b/app/src/main/java/org/autojs/autojs/ui/settings/AboutActivity.kt
index a019e805..7e24b9fd 100644
--- a/app/src/main/java/org/autojs/autojs/ui/settings/AboutActivity.kt
+++ b/app/src/main/java/org/autojs/autojs/ui/settings/AboutActivity.kt
@@ -22,7 +22,6 @@ import org.autojs.autojs6.BuildConfig
 import org.autojs.autojs6.R
 import org.autojs.autojs6.databinding.ActivityAboutBinding
 import org.autojs.autojs6.databinding.ActivityAboutFunctionButtonsBinding
-import org.autojs.autojs6.databinding.ActivityAboutItemsBinding
 
 /**
  * Created by Stardust on Feb 2, 2017.
@@ -31,7 +30,6 @@ import org.autojs.autojs6.databinding.ActivityAboutItemsBinding
 open class AboutActivity : BaseActivity() {
 
     private lateinit var activityBinding: ActivityAboutBinding
-    private lateinit var itemsBinding: ActivityAboutItemsBinding
     private lateinit var functionsButtonsBinding: ActivityAboutFunctionButtonsBinding
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -40,7 +38,6 @@ open class AboutActivity : BaseActivity() {
             setContentView(it.root)
             it.version.text = BuildConfig.VERSION_NAME
             it.since.text = BuildConfig.VERSION_DATE
-            itemsBinding = it.activityAboutItems
             functionsButtonsBinding = it.activityAboutFunctionButtons
         }
         setToolbarAsBack(R.string.text_about)
@@ -48,14 +45,14 @@ open class AboutActivity : BaseActivity() {
     }
 
     private fun setupBindingListeners() {
-        itemsBinding.avatarOriginalDeveloper.setOnClickListener { toastForUnderDevelopment() }
-        itemsBinding.avatarDeveloper.setOnClickListener { toastForUnderDevelopment() }
+        activityBinding.avatarOriginalDeveloper.setOnClickListener { toastForUnderDevelopment() }
+        activityBinding.avatarDeveloper.setOnClickListener { toastForUnderDevelopment() }
 
-        itemsBinding.avatarOriginalDeveloperUserContents.setOnClickListener { toastForUnderDevelopment() }
-        itemsBinding.avatarDeveloperUserContents.setOnClickListener { toastForUnderDevelopment() }
+        activityBinding.avatarOriginalDeveloperUserContents.setOnClickListener { toastForUnderDevelopment() }
+        activityBinding.avatarDeveloperUserContents.setOnClickListener { toastForUnderDevelopment() }
 
-        itemsBinding.icon1stDeveloperIdentifier.setOnClickListener { toastForFirstDeveloperIdentifier() }
-        itemsBinding.icon2ndDeveloperIdentifier.setOnClickListener { toastForSecondDeveloperIdentifier() }
+        activityBinding.icon1stDeveloperIdentifier.setOnClickListener { toastForFirstDeveloperIdentifier() }
+        activityBinding.icon2ndDeveloperIdentifier.setOnClickListener { toastForSecondDeveloperIdentifier() }
 
         activityBinding.iconAboutAppSvgView.setOnClickListener { showDeviceInfo() }
         activityBinding.iconAboutAppSvgView.setOnLongClickListener { true.also { launchDeveloperOptions() } }
diff --git a/app/src/main/res/drawable/ic_about_license.png b/app/src/main/res/drawable/ic_about_license.png
index 38744e4b..3b649ab3 100644
Binary files a/app/src/main/res/drawable/ic_about_license.png and b/app/src/main/res/drawable/ic_about_license.png differ
diff --git a/app/src/main/res/drawable/ic_about_version_histories.png b/app/src/main/res/drawable/ic_about_version_histories.png
new file mode 100644
index 00000000..b073ceb9
Binary files /dev/null and b/app/src/main/res/drawable/ic_about_version_histories.png differ
diff --git a/app/src/main/res/layout-land/activity_about.xml b/app/src/main/res/layout-land/activity_about.xml
new file mode 100644
index 00000000..82002763
--- /dev/null
+++ b/app/src/main/res/layout-land/activity_about.xml
@@ -0,0 +1,321 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fitsSystemWindows="true"
+        android:orientation="vertical">
+
+        <com.google.android.material.appbar.AppBarLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:theme="@style/AppTheme.AppBarOverlay"
+            android:fitsSystemWindows="true">
+
+            <org.autojs.autojs.theme.widget.ThemeColorToolbar
+                android:id="@+id/toolbar"
+                android:layout_width="match_parent"
+                android:layout_height="?attr/actionBarSize"
+                android:background="?attr/colorPrimary"
+                android:theme="@style/ToolBarStyle"
+                app:popupTheme="@style/AppTheme.PopupOverlay"
+                app:title="@string/text_about" />
+
+        </com.google.android.material.appbar.AppBarLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_margin="8dp"
+            android:orientation="vertical">
+
+            <LinearLayout
+                android:layout_width="wrap_content"
+                android:layout_height="0dp"
+                android:layout_weight="1"
+                android:layout_gravity="center_horizontal"
+                android:orientation="horizontal">
+
+                <LinearLayout
+                    android:layout_width="180dp"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center"
+                    android:layout_marginHorizontal="16dp"
+                    android:background="?selectableItemBackground"
+                    android:baselineAligned="false"
+                    android:gravity="center"
+                    android:orientation="vertical">
+
+                    <LinearLayout
+                        android:id="@+id/icon_1st_developer_identifier"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:background="?selectableItemBackground"
+                        android:clickable="true"
+                        android:focusable="true"
+                        android:gravity="end"
+                        android:orientation="horizontal">
+
+                        <ImageView
+                            android:layout_width="@dimen/icon_developer_identifier_image_side_length"
+                            android:layout_height="@dimen/icon_developer_identifier_image_side_length"
+                            android:padding="@dimen/icon_developer_identifier_image_padding"
+                            android:layout_gravity="center"
+                            android:src="@drawable/ic_looks_1_black_48dp"
+                            app:tint="@color/tint_1st_developer_identifier"
+                            android:contentDescription="icon_1st_developer_identifier" />
+
+                    </LinearLayout>
+
+                    <LinearLayout
+                        android:id="@+id/avatar_original_developer"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:background="?selectableItemBackground"
+                        android:clickable="true"
+                        android:focusable="true"
+                        android:gravity="center"
+                        android:orientation="horizontal">
+
+                        <de.hdodenhof.circleimageview.CircleImageView
+                            android:layout_width="@dimen/about_item_avatar_side_length_land"
+                            android:layout_height="@dimen/about_item_avatar_side_length_land"
+                            android:src="@drawable/avatar_original_developer"
+                            android:contentDescription="avatar_original_developer"
+                            app:civ_border_width="@dimen/github_avatar_border_width"
+                            app:civ_border_color="@color/github_avatar_border" />
+
+                    </LinearLayout>
+
+                    <LinearLayout
+                        android:id="@+id/avatar_original_developer_user_contents"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_marginTop="1dp"
+                        android:background="?selectableItemBackground"
+                        android:clickable="true"
+                        android:focusable="true"
+                        android:orientation="vertical">
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:layout_gravity="center"
+                            android:ellipsize="middle"
+                            android:maxLines="1"
+                            android:text="@string/original_developer_full_name"
+                            android:textColor="@color/github_color_fg_default"
+                            android:textSize="@dimen/github_font_size_full_name"
+                            android:textStyle="bold" />
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:layout_gravity="center"
+                            android:ellipsize="middle"
+                            android:maxLines="1"
+                            android:text="@string/original_developer_nickname"
+                            android:textColor="@color/github_color_fg_muted"
+                            android:textSize="@dimen/github_font_size_nickname" />
+
+                    </LinearLayout>
+
+                </LinearLayout>
+
+                <LinearLayout
+                    android:id="@+id/icon_container"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center"
+                    android:gravity="center"
+                    android:orientation="vertical"
+                    android:background="@android:color/transparent"
+                    android:foreground="?selectableItemBackgroundBorderless">
+
+                    <FrameLayout
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content">
+
+                        <com.jaredrummler.android.widget.AnimatedSvgView
+                            android:id="@+id/icon_about_app_svg_view"
+                            android:layout_width="91dp"
+                            android:layout_height="91dp"
+                            android:layout_gravity="center"
+                            android:layout_margin="10dp"
+                            app:animatedSvgFillColors="@array/icon_about_app_svg_view_fill_colors"
+                            app:animatedSvgGlyphStrings="@array/icon_about_app_svg_view_paths"
+                            app:animatedSvgTraceColors="@array/icon_about_app_svg_view_trace_colors"
+                            app:animatedSvgTraceResidueColors="@array/icon_about_app_svg_view_trace_residue_colors"
+                            app:animatedSvgImageSizeX="576"
+                            app:animatedSvgImageSizeY="576"
+                            app:animatedSvgFillStart="200"
+                            app:animatedSvgFillTime="200"
+                            app:animatedSvgTraceTime="500"
+                            app:animatedSvgTraceTimePerGlyph="500" />
+
+                        <ImageView
+                            android:id="@+id/icon_about_app"
+                            android:visibility="invisible"
+                            tools:visibility="visible"
+                            android:layout_width="91dp"
+                            android:layout_height="91dp"
+                            android:layout_margin="10dp"
+                            android:src="@drawable/autojs6_material"
+                            tools:ignore="ContentDescription,ImageContrastCheck" />
+
+                    </FrameLayout>
+
+                    <LinearLayout
+                        android:layout_width="wrap_content"
+                        android:layout_height="50dp"
+                        android:orientation="vertical"
+                        android:gravity="center">
+
+                        <TextView
+                            android:id="@+id/version"
+                            android:layout_width="wrap_content"
+                            android:layout_height="0dp"
+                            android:layout_weight="1"
+                            android:gravity="center"
+                            android:textColor="@color/about_app_version_info"
+                            android:textSize="16sp"
+                            android:text="@string/text_sample_string" />
+
+                        <TextView
+                            android:id="@+id/since"
+                            android:layout_width="wrap_content"
+                            android:layout_height="0dp"
+                            android:layout_weight="1"
+                            android:gravity="center"
+                            android:textColor="@color/about_app_version_info"
+                            android:textSize="13sp"
+                            android:text="@string/text_sample_string" />
+
+                    </LinearLayout>
+
+                </LinearLayout>
+
+                <LinearLayout
+                    android:layout_width="180dp"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center"
+                    android:layout_marginHorizontal="16dp"
+                    android:background="?selectableItemBackground"
+                    android:baselineAligned="false"
+                    android:gravity="center"
+                    android:orientation="vertical">
+
+                    <LinearLayout
+                        android:id="@+id/icon_2nd_developer_identifier"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:background="?selectableItemBackground"
+                        android:clickable="true"
+                        android:focusable="true"
+                        android:gravity="end"
+                        android:orientation="horizontal">
+
+                        <ImageView
+                            android:layout_width="@dimen/icon_developer_identifier_image_side_length"
+                            android:layout_height="@dimen/icon_developer_identifier_image_side_length"
+                            android:padding="@dimen/icon_developer_identifier_image_padding"
+                            android:layout_gravity="center"
+                            android:src="@drawable/ic_looks_2_black_48dp"
+                            app:tint="@color/tint_2nd_developer_identifier"
+                            android:contentDescription="icon_2nd_developer_identifier" />
+
+                    </LinearLayout>
+
+                    <LinearLayout
+                        android:id="@+id/avatar_developer"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:background="?selectableItemBackground"
+                        android:clickable="true"
+                        android:focusable="true"
+                        android:gravity="center"
+                        android:orientation="horizontal">
+
+                        <de.hdodenhof.circleimageview.CircleImageView
+                            android:layout_width="@dimen/about_item_avatar_side_length_land"
+                            android:layout_height="@dimen/about_item_avatar_side_length_land"
+                            android:src="@drawable/avatar_developer"
+                            android:contentDescription="avatar_developer"
+                            app:civ_border_width="@dimen/github_avatar_border_width"
+                            app:civ_border_color="@color/github_avatar_border" />
+
+                    </LinearLayout>
+
+                    <LinearLayout
+                        android:id="@+id/avatar_developer_user_contents"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_marginTop="1dp"
+                        android:background="?selectableItemBackground"
+                        android:clickable="true"
+                        android:focusable="true"
+                        android:orientation="vertical">
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:layout_gravity="center"
+                            android:ellipsize="middle"
+                            android:maxLines="1"
+                            android:text="@string/developer_full_name"
+                            android:textColor="@color/github_color_fg_default"
+                            android:textSize="@dimen/github_font_size_full_name"
+                            android:textStyle="bold" />
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:layout_gravity="center"
+                            android:ellipsize="middle"
+                            android:maxLines="1"
+                            android:text="@string/developer_nickname"
+                            android:textColor="@color/github_color_fg_muted"
+                            android:textSize="@dimen/github_font_size_nickname" />
+
+                    </LinearLayout>
+
+                </LinearLayout>
+
+            </LinearLayout>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:layout_gravity="bottom"
+                android:gravity="center">
+
+                <include
+                    android:id="@+id/activity_about_function_buttons"
+                    layout="@layout/activity_about_function_buttons"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_horizontal" />
+
+                <org.autojs.autojs.ui.widget.CopyrightTextView
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:gravity="center"
+                    android:layout_marginTop="9dp"
+                    tools:text="@string/text_copyright_sample"
+                    android:textColor="@color/prefTextColorPrimary"
+                    android:textSize="14sp" />
+
+            </LinearLayout>
+
+        </LinearLayout>
+
+    </LinearLayout>
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/app/src/main/res/layout/activity_about.xml b/app/src/main/res/layout/activity_about.xml
index c2dd8853..cdd1bc21 100644
--- a/app/src/main/res/layout/activity_about.xml
+++ b/app/src/main/res/layout/activity_about.xml
@@ -1,53 +1,54 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:app="http://schemas.android.com/apk/res-auto"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        xmlns:tools="http://schemas.android.com/tools">
+<androidx.coordinatorlayout.widget.CoordinatorLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:tools="http://schemas.android.com/tools">
 
     <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:fitsSystemWindows="true"
-            android:orientation="vertical">
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fitsSystemWindows="true"
+        android:orientation="vertical">
 
         <com.google.android.material.appbar.AppBarLayout
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                app:theme="@style/AppTheme.AppBarOverlay"
-                android:fitsSystemWindows="true">
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:theme="@style/AppTheme.AppBarOverlay"
+            android:fitsSystemWindows="true">
 
             <org.autojs.autojs.theme.widget.ThemeColorToolbar
-                    android:id="@+id/toolbar"
-                    android:layout_width="match_parent"
-                    android:layout_height="?attr/actionBarSize"
-                    android:background="?attr/colorPrimary"
-                    android:theme="@style/ToolBarStyle"
-                    app:popupTheme="@style/AppTheme.PopupOverlay"
-                    app:title="@string/text_about" />
+                android:id="@+id/toolbar"
+                android:layout_width="match_parent"
+                android:layout_height="?attr/actionBarSize"
+                android:background="?attr/colorPrimary"
+                android:theme="@style/ToolBarStyle"
+                app:popupTheme="@style/AppTheme.PopupOverlay"
+                app:title="@string/text_about" />
 
         </com.google.android.material.appbar.AppBarLayout>
 
         <LinearLayout
-                android:layout_width="match_parent"
-                android:layout_height="match_parent"
-                android:layout_margin="16dp"
-                android:orientation="vertical">
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_margin="16dp"
+            android:orientation="vertical">
 
             <LinearLayout
-                    android:id="@+id/icon_container"
-                    android:layout_width="match_parent"
-                    android:layout_height="210dp"
-                    android:gravity="center"
-                    android:orientation="vertical"
-                    android:background="@android:color/transparent"
-                    android:foreground="?selectableItemBackgroundBorderless">
+                android:id="@+id/icon_container"
+                android:layout_width="match_parent"
+                android:layout_height="210dp"
+                android:gravity="center"
+                android:orientation="vertical"
+                android:background="@android:color/transparent"
+                android:foreground="?selectableItemBackgroundBorderless">
 
                 <FrameLayout
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content">
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content">
 
-                <com.jaredrummler.android.widget.AnimatedSvgView
+                    <com.jaredrummler.android.widget.AnimatedSvgView
                         android:id="@+id/icon_about_app_svg_view"
                         android:layout_width="91dp"
                         android:layout_height="91dp"
@@ -62,9 +63,9 @@
                         app:animatedSvgFillStart="200"
                         app:animatedSvgFillTime="200"
                         app:animatedSvgTraceTime="500"
-                        app:animatedSvgTraceTimePerGlyph="500"/>
+                        app:animatedSvgTraceTimePerGlyph="500" />
 
-                <ImageView
+                    <ImageView
                         android:id="@+id/icon_about_app"
                         android:visibility="invisible"
                         android:layout_width="91dp"
@@ -76,66 +77,226 @@
                 </FrameLayout>
 
                 <LinearLayout
+                    android:layout_width="wrap_content"
+                    android:layout_height="50dp"
+                    android:orientation="vertical"
+                    android:gravity="center">
+
+                    <TextView
+                        android:id="@+id/version"
                         android:layout_width="wrap_content"
-                        android:layout_height="50dp"
-                        android:orientation="vertical"
-                        android:gravity="center">
+                        android:layout_height="0dp"
+                        android:layout_weight="1"
+                        android:gravity="center"
+                        android:textColor="@color/about_app_version_info"
+                        android:textSize="16sp"
+                        android:text="@string/text_sample_string" />
 
                     <TextView
-                            android:id="@+id/version"
-                            android:layout_width="wrap_content"
-                            android:layout_height="0dp"
-                            android:layout_weight="1"
-                            android:gravity="center"
-                            android:textColor="@color/about_app_version_info"
-                            android:textSize="16sp"
-                            android:text="@string/text_sample_string" />
-
-                    <TextView
-                            android:id="@+id/since"
-                            android:layout_width="wrap_content"
-                            android:layout_height="0dp"
-                            android:layout_weight="1"
-                            android:gravity="center"
-                            android:textColor="@color/about_app_version_info"
-                            android:textSize="13sp"
-                            android:text="@string/text_sample_string" />
+                        android:id="@+id/since"
+                        android:layout_width="wrap_content"
+                        android:layout_height="0dp"
+                        android:layout_weight="1"
+                        android:gravity="center"
+                        android:textColor="@color/about_app_version_info"
+                        android:textSize="13sp"
+                        android:text="@string/text_sample_string" />
 
                 </LinearLayout>
 
             </LinearLayout>
 
             <LinearLayout
-                    android:layout_width="match_parent"
-                    android:layout_height="match_parent"
-                    android:orientation="vertical">
-
-                <include
-                        android:id="@+id/activity_about_items"
-                        layout="@layout/activity_about_items"
-                        android:layout_height="wrap_content"
-                        android:layout_width="match_parent" />
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_marginTop="16dp"
+                android:orientation="vertical">
 
                 <LinearLayout
-                        android:layout_width="match_parent"
-                        android:layout_height="match_parent"
+                    android:layout_width="match_parent"
+                    android:layout_height="62dp"
+                    android:layout_marginHorizontal="16dp"
+                    android:layout_marginVertical="12dp"
+                    android:background="?selectableItemBackground"
+                    android:gravity="center_vertical"
+                    android:orientation="horizontal"
+                    android:baselineAligned="false">
+
+                    <LinearLayout
+                        android:id="@+id/avatar_original_developer"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:orientation="horizontal"
+                        android:background="?selectableItemBackground"
+                        android:gravity="center"
+                        android:focusable="true"
+                        android:clickable="true">
+
+                        <de.hdodenhof.circleimageview.CircleImageView
+                            android:layout_width="@dimen/about_item_avatar_side_length"
+                            android:layout_height="@dimen/about_item_avatar_side_length"
+                            android:src="@drawable/avatar_original_developer"
+                            android:contentDescription="avatar_original_developer"
+                            app:civ_border_width="@dimen/github_avatar_border_width"
+                            app:civ_border_color="@color/github_avatar_border" />
+
+                    </LinearLayout>
+
+                    <LinearLayout
+                        android:id="@+id/avatar_original_developer_user_contents"
+                        android:layout_width="0dp"
+                        android:layout_weight="1"
+                        android:layout_height="@dimen/about_item_avatar_side_length"
+                        android:layout_marginHorizontal="12dp"
+                        android:paddingTop="0.8dp"
+                        android:background="?selectableItemBackground"
                         android:orientation="vertical"
-                        android:gravity="center|bottom">
+                        android:clickable="true"
+                        android:focusable="true">
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:textStyle="bold"
+                            android:text="@string/original_developer_full_name"
+                            android:textColor="@color/github_color_fg_default"
+                            android:textSize="@dimen/github_font_size_full_name" />
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="@string/original_developer_nickname"
+                            android:textColor="@color/github_color_fg_muted"
+                            android:textSize="@dimen/github_font_size_nickname" />
+
+                    </LinearLayout>
+
+                    <LinearLayout
+                        android:id="@+id/icon_1st_developer_identifier"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:orientation="horizontal"
+                        android:background="?selectableItemBackground"
+                        android:gravity="end"
+                        android:focusable="true"
+                        android:clickable="true">
+
+                        <ImageView
+                            android:layout_width="@dimen/icon_developer_identifier_image_side_length"
+                            android:layout_height="@dimen/icon_developer_identifier_image_side_length"
+                            android:padding="@dimen/icon_developer_identifier_image_padding"
+                            android:layout_gravity="center"
+                            android:src="@drawable/ic_looks_1_black_48dp"
+                            app:tint="@color/tint_1st_developer_identifier"
+                            android:contentDescription="icon_1st_developer_identifier" />
+
+                    </LinearLayout>
+
+                </LinearLayout>
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="62dp"
+                    android:layout_marginHorizontal="16dp"
+                    android:layout_marginVertical="12dp"
+                    android:background="?selectableItemBackground"
+                    android:gravity="center_vertical"
+                    android:orientation="horizontal"
+                    android:baselineAligned="false">
+
+                    <LinearLayout
+                        android:id="@+id/avatar_developer"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:orientation="horizontal"
+                        android:background="?selectableItemBackground"
+                        android:gravity="center"
+                        android:focusable="true"
+                        android:clickable="true">
+
+                        <de.hdodenhof.circleimageview.CircleImageView
+                            android:layout_width="@dimen/about_item_avatar_side_length"
+                            android:layout_height="@dimen/about_item_avatar_side_length"
+                            android:src="@drawable/avatar_developer"
+                            android:contentDescription="avatar_developer"
+                            app:civ_border_width="@dimen/github_avatar_border_width"
+                            app:civ_border_color="@color/github_avatar_border" />
+
+                    </LinearLayout>
+
+                    <LinearLayout
+                        android:id="@+id/avatar_developer_user_contents"
+                        android:layout_width="0dp"
+                        android:layout_weight="1"
+                        android:layout_height="@dimen/about_item_avatar_side_length"
+                        android:layout_marginHorizontal="12dp"
+                        android:paddingTop="0.8dp"
+                        android:background="?selectableItemBackground"
+                        android:orientation="vertical"
+                        android:clickable="true"
+                        android:focusable="true">
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:textStyle="bold"
+                            android:text="@string/developer_full_name"
+                            android:textColor="@color/github_color_fg_default"
+                            android:textSize="@dimen/github_font_size_full_name" />
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="@string/developer_nickname"
+                            android:textColor="@color/github_color_fg_muted"
+                            android:textSize="@dimen/github_font_size_nickname" />
+
+                    </LinearLayout>
+
+                    <LinearLayout
+                        android:id="@+id/icon_2nd_developer_identifier"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:orientation="horizontal"
+                        android:background="?selectableItemBackground"
+                        android:gravity="end"
+                        android:focusable="true"
+                        android:clickable="true">
+
+                        <ImageView
+                            android:layout_width="@dimen/icon_developer_identifier_image_side_length"
+                            android:layout_height="@dimen/icon_developer_identifier_image_side_length"
+                            android:padding="@dimen/icon_developer_identifier_image_padding"
+                            android:layout_gravity="center"
+                            android:src="@drawable/ic_looks_2_black_48dp"
+                            app:tint="@color/tint_2nd_developer_identifier"
+                            android:contentDescription="icon_2nd_developer_identifier" />
+
+                    </LinearLayout>
+
+                </LinearLayout>
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent"
+                    android:orientation="vertical"
+                    android:gravity="center|bottom">
 
                     <include
-                            android:id="@+id/activity_about_function_buttons"
-                            layout="@layout/activity_about_function_buttons"
-                            android:layout_height="wrap_content"
-                            android:layout_width="match_parent" />
+                        android:id="@+id/activity_about_function_buttons"
+                        layout="@layout/activity_about_function_buttons"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_horizontal" />
 
                     <org.autojs.autojs.ui.widget.CopyrightTextView
-                            android:layout_width="match_parent"
-                            android:layout_height="wrap_content"
-                            android:gravity="center"
-                            android:layout_marginTop="20dp"
-                            tools:text="@string/text_copyright_sample"
-                            android:textColor="@color/prefTextColorPrimary"
-                            android:textSize="14sp" />
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:gravity="center"
+                        android:layout_marginTop="20dp"
+                        tools:text="@string/text_copyright_sample"
+                        android:textColor="@color/prefTextColorPrimary"
+                        android:textSize="14sp" />
 
                 </LinearLayout>
 
diff --git a/app/src/main/res/layout/activity_about_function_buttons.xml b/app/src/main/res/layout/activity_about_function_buttons.xml
index 30148994..75b6a1ff 100644
--- a/app/src/main/res/layout/activity_about_function_buttons.xml
+++ b/app/src/main/res/layout/activity_about_function_buttons.xml
@@ -1,113 +1,144 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="16dp"
-        android:background="@android:color/transparent"
-        android:orientation="vertical">
+<HorizontalScrollView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_gravity="center_horizontal"
+    android:fillViewport="true"
+    android:scrollbars="none">
 
     <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginHorizontal="16dp"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:background="?selectableItemBackground"
+        android:baselineAligned="false"
+        android:gravity="center"
+        android:orientation="horizontal">
+
+        <LinearLayout
+            android:id="@+id/about_functions_button_licenses"
+            android:layout_width="80dp"
+            android:layout_height="match_parent"
+            android:orientation="vertical"
             android:background="?selectableItemBackground"
-            android:gravity="center"
-            android:orientation="horizontal"
-            android:baselineAligned="false">
-
-        <LinearLayout
-                android:id="@+id/about_functions_button_licenses"
-                android:layout_width="80dp"
-                android:layout_height="match_parent"
-                android:orientation="vertical"
-                android:background="?selectableItemBackground"
-                android:gravity="top|center"
-                android:layout_marginHorizontal="3dp"
-                android:focusable="true"
-                android:clickable="true">
+            android:gravity="top|center"
+            android:layout_marginHorizontal="3dp"
+            android:focusable="true"
+            android:clickable="true">
 
             <ImageView
-                    android:layout_width="40dp"
-                    android:layout_height="40dp"
-                    android:layout_gravity="center"
-                    android:layout_marginTop="4dp"
-                    android:src="@drawable/ic_about_license"
-                    android:contentDescription="@string/desc_about_functions_button_licenses" />
+                android:layout_width="40dp"
+                android:layout_height="40dp"
+                android:layout_gravity="center"
+                android:layout_marginTop="4dp"
+                android:src="@drawable/ic_about_license"
+                android:contentDescription="@string/text_about_functions_licenses" />
 
             <TextView
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:layout_marginVertical="6dp"
-                    android:text="@string/text_about_functions_licenses"
-                    android:maxLines="2"
-                    android:gravity="center"
-                    android:textSize="13sp"
-                    android:textColor="@color/about_app_function_buttons" />
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginVertical="6dp"
+                android:text="@string/text_about_functions_licenses"
+                android:maxLines="2"
+                android:gravity="center"
+                android:textSize="13sp"
+                android:textColor="@color/about_app_function_buttons" />
 
         </LinearLayout>
 
         <LinearLayout
-                android:id="@+id/about_functions_button_update"
-                android:layout_width="80dp"
-                android:layout_height="match_parent"
-                android:orientation="vertical"
-                android:background="?selectableItemBackground"
-                android:gravity="top|center"
-                android:layout_marginHorizontal="3dp"
-                android:focusable="true"
-                android:clickable="true">
+            android:id="@+id/about_functions_button_update"
+            android:layout_width="80dp"
+            android:layout_height="match_parent"
+            android:orientation="vertical"
+            android:background="?selectableItemBackground"
+            android:gravity="top|center"
+            android:layout_marginHorizontal="3dp"
+            android:focusable="true"
+            android:clickable="true">
 
             <ImageView
-                    android:layout_width="40dp"
-                    android:layout_height="40dp"
-                    android:layout_gravity="center"
-                    android:layout_marginTop="4dp"
-                    android:src="@drawable/ic_about_update"
-                    android:contentDescription="@string/desc_about_functions_button_update" />
+                android:layout_width="40dp"
+                android:layout_height="40dp"
+                android:layout_gravity="center"
+                android:layout_marginTop="4dp"
+                android:src="@drawable/ic_about_update"
+                android:contentDescription="@string/text_about_functions_update" />
 
             <TextView
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:layout_marginVertical="6dp"
-                    android:maxLines="2"
-                    android:gravity="center"
-                    android:text="@string/text_about_functions_update"
-                    android:textSize="13sp"
-                    android:textColor="@color/about_app_function_buttons" />
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginVertical="6dp"
+                android:maxLines="2"
+                android:gravity="center"
+                android:text="@string/text_about_functions_update"
+                android:textSize="13sp"
+                android:textColor="@color/about_app_function_buttons" />
 
         </LinearLayout>
 
         <LinearLayout
-                android:id="@+id/about_functions_button_feedback"
-                android:layout_width="80dp"
-                android:layout_height="match_parent"
-                android:orientation="vertical"
-                android:background="?selectableItemBackground"
-                android:gravity="top|center"
-                android:layout_marginHorizontal="3dp"
-                android:focusable="true"
-                android:clickable="true">
+            android:id="@+id/about_functions_button_version_histories"
+            android:layout_width="80dp"
+            android:layout_height="match_parent"
+            android:orientation="vertical"
+            android:background="?selectableItemBackground"
+            android:gravity="top|center"
+            android:layout_marginHorizontal="3dp"
+            android:focusable="true"
+            android:clickable="true">
 
             <ImageView
-                    android:layout_width="40dp"
-                    android:layout_height="40dp"
-                    android:layout_gravity="center"
-                    android:layout_marginTop="4dp"
-                    android:src="@drawable/ic_about_feedback"
-                    android:contentDescription="@string/desc_about_functions_button_feedback" />
+                android:layout_width="40dp"
+                android:layout_height="40dp"
+                android:layout_gravity="center"
+                android:layout_marginTop="4dp"
+                android:src="@drawable/ic_about_version_histories"
+                android:contentDescription="@string/text_about_functions_version_histories" />
 
             <TextView
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:layout_marginVertical="6dp"
-                    android:maxLines="2"
-                    android:gravity="center"
-                    android:text="@string/text_about_functions_feedback"
-                    android:textSize="13sp"
-                    android:textColor="@color/about_app_function_buttons" />
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginVertical="6dp"
+                android:maxLines="2"
+                android:gravity="center"
+                android:text="@string/text_about_functions_version_histories"
+                android:textSize="13sp"
+                android:textColor="@color/about_app_function_buttons" />
+
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/about_functions_button_feedback"
+            android:layout_width="80dp"
+            android:layout_height="match_parent"
+            android:orientation="vertical"
+            android:background="?selectableItemBackground"
+            android:gravity="top|center"
+            android:layout_marginHorizontal="3dp"
+            android:focusable="true"
+            android:clickable="true">
+
+            <ImageView
+                android:layout_width="40dp"
+                android:layout_height="40dp"
+                android:layout_gravity="center"
+                android:layout_marginTop="4dp"
+                android:src="@drawable/ic_about_feedback"
+                android:contentDescription="@string/text_about_functions_feedback" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginVertical="6dp"
+                android:maxLines="2"
+                android:gravity="center"
+                android:text="@string/text_about_functions_feedback"
+                android:textSize="13sp"
+                android:textColor="@color/about_app_function_buttons" />
 
         </LinearLayout>
 
     </LinearLayout>
 
-</LinearLayout>
\ No newline at end of file
+</HorizontalScrollView>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_about_items.xml b/app/src/main/res/layout/activity_about_items.xml
deleted file mode 100644
index 765cee00..00000000
--- a/app/src/main/res/layout/activity_about_items.xml
+++ /dev/null
@@ -1,174 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:app="http://schemas.android.com/apk/res-auto"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="16dp"
-        android:background="@android:color/transparent"
-        android:orientation="vertical">
-
-    <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="62dp"
-            android:layout_marginHorizontal="16dp"
-            android:layout_marginVertical="12dp"
-            android:background="?selectableItemBackground"
-            android:gravity="center_vertical"
-            android:orientation="horizontal"
-            android:baselineAligned="false">
-
-        <LinearLayout
-                android:id="@+id/avatar_original_developer"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:orientation="horizontal"
-                android:background="?selectableItemBackground"
-                android:gravity="center"
-                android:focusable="true"
-                android:clickable="true">
-
-            <de.hdodenhof.circleimageview.CircleImageView
-                    android:layout_width="@dimen/about_item_avatar_side_length"
-                    android:layout_height="@dimen/about_item_avatar_side_length"
-                    android:src="@drawable/avatar_original_developer"
-                    android:contentDescription="avatar_original_developer"
-                    app:civ_border_width="@dimen/github_avatar_border_width"
-                    app:civ_border_color="@color/github_avatar_border" />
-
-        </LinearLayout>
-
-        <LinearLayout
-                android:id="@+id/avatar_original_developer_user_contents"
-                android:layout_width="0dp"
-                android:layout_weight="1"
-                android:layout_height="@dimen/about_item_avatar_side_length"
-                android:layout_marginHorizontal="12dp"
-                android:paddingTop="0.8dp"
-                android:background="?selectableItemBackground"
-                android:orientation="vertical"
-                android:clickable="true"
-                android:focusable="true">
-
-            <TextView
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:textStyle="bold"
-                    android:text="@string/original_developer_full_name"
-                    android:textColor="@color/github_color_fg_default"
-                    android:textSize="@dimen/github_font_size_full_name" />
-
-            <TextView
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:text="@string/original_developer_nickname"
-                    android:textColor="@color/github_color_fg_muted"
-                    android:textSize="@dimen/github_font_size_nickname" />
-
-        </LinearLayout>
-
-        <LinearLayout
-                android:id="@+id/icon_1st_developer_identifier"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:orientation="horizontal"
-                android:background="?selectableItemBackground"
-                android:gravity="end"
-                android:focusable="true"
-                android:clickable="true">
-
-            <ImageView
-                    android:layout_width="@dimen/icon_developer_identifier_image_side_length"
-                    android:layout_height="@dimen/icon_developer_identifier_image_side_length"
-                    android:padding="@dimen/icon_developer_identifier_image_padding"
-                    android:layout_gravity="center"
-                    android:src="@drawable/ic_looks_1_black_48dp"
-                    app:tint="@color/tint_1st_developer_identifier"
-                    android:contentDescription="icon_1st_developer_identifier" />
-
-        </LinearLayout>
-
-    </LinearLayout>
-
-    <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="62dp"
-            android:layout_marginHorizontal="16dp"
-            android:layout_marginVertical="12dp"
-            android:background="?selectableItemBackground"
-            android:gravity="center_vertical"
-            android:orientation="horizontal"
-            android:baselineAligned="false">
-
-        <LinearLayout
-                android:id="@+id/avatar_developer"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:orientation="horizontal"
-                android:background="?selectableItemBackground"
-                android:gravity="center"
-                android:focusable="true"
-                android:clickable="true">
-
-            <de.hdodenhof.circleimageview.CircleImageView
-                    android:layout_width="@dimen/about_item_avatar_side_length"
-                    android:layout_height="@dimen/about_item_avatar_side_length"
-                    android:src="@drawable/avatar_developer"
-                    android:contentDescription="avatar_developer"
-                    app:civ_border_width="@dimen/github_avatar_border_width"
-                    app:civ_border_color="@color/github_avatar_border" />
-
-        </LinearLayout>
-
-        <LinearLayout
-                android:id="@+id/avatar_developer_user_contents"
-                android:layout_width="0dp"
-                android:layout_weight="1"
-                android:layout_height="@dimen/about_item_avatar_side_length"
-                android:layout_marginHorizontal="12dp"
-                android:paddingTop="0.8dp"
-                android:background="?selectableItemBackground"
-                android:orientation="vertical"
-                android:clickable="true"
-                android:focusable="true">
-
-            <TextView
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:textStyle="bold"
-                    android:text="@string/developer_full_name"
-                    android:textColor="@color/github_color_fg_default"
-                    android:textSize="@dimen/github_font_size_full_name" />
-
-            <TextView
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:text="@string/developer_nickname"
-                    android:textColor="@color/github_color_fg_muted"
-                    android:textSize="@dimen/github_font_size_nickname" />
-
-        </LinearLayout>
-
-        <LinearLayout
-                android:id="@+id/icon_2nd_developer_identifier"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:orientation="horizontal"
-                android:background="?selectableItemBackground"
-                android:gravity="end"
-                android:focusable="true"
-                android:clickable="true">
-
-            <ImageView
-                    android:layout_width="@dimen/icon_developer_identifier_image_side_length"
-                    android:layout_height="@dimen/icon_developer_identifier_image_side_length"
-                    android:padding="@dimen/icon_developer_identifier_image_padding"
-                    android:layout_gravity="center"
-                    android:src="@drawable/ic_looks_2_black_48dp"
-                    app:tint="@color/tint_2nd_developer_identifier"
-                    android:contentDescription="icon_2nd_developer_identifier" />
-
-        </LinearLayout>
-
-    </LinearLayout>
-
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values-ar/strings.xml b/app/src/main/res/values-ar/strings.xml
index cf07b7b7..b94aa26a 100644
--- a/app/src/main/res/values-ar/strings.xml
+++ b/app/src/main/res/values-ar/strings.xml
@@ -1003,5 +1003,7 @@
     <string name="changelog_label_improvement">تحسين</string>
     <string name="changelog_label_dependency">التبعيات</string>
     <string name="text_changelog_item_dependency">تعديلات على إصدارات بعض التبعيات أو المكتبات المحلية</string>
+    <string name="text_about_functions_version_histories">Version histories</string>
+    <string name="error_failed_to_retrieve_version_properties_file_to_parse_version_information">Failed to retrieve version.properties to parse version information</string>
 
 </resources>
diff --git a/app/src/main/res/values-en/strings.xml b/app/src/main/res/values-en/strings.xml
index 88943a03..754b12d4 100644
--- a/app/src/main/res/values-en/strings.xml
+++ b/app/src/main/res/values-en/strings.xml
@@ -998,5 +998,7 @@
     <string name="changelog_label_improvement">Improvement</string>
     <string name="changelog_label_dependency">Dependency</string>
     <string name="text_changelog_item_dependency">Some dependency or local library version adjustments</string>
+    <string name="text_about_functions_version_histories">Version histories</string>
+    <string name="error_failed_to_retrieve_version_properties_file_to_parse_version_information">Failed to retrieve version.properties to parse version information</string>
 
 </resources>
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index d7098a43..5f499493 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -1001,5 +1001,7 @@
     <string name="changelog_label_improvement">Mejora</string>
     <string name="changelog_label_dependency">Dependencia</string>
     <string name="text_changelog_item_dependency">Ajustes en algunas dependencias o versiones de bibliotecas locales</string>
+    <string name="text_about_functions_version_histories">Version histories</string>
+    <string name="error_failed_to_retrieve_version_properties_file_to_parse_version_information">Failed to retrieve version.properties to parse version information</string>
 
 </resources>
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index 182813b7..b06a5da5 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -1001,5 +1001,7 @@
     <string name="changelog_label_improvement">Amélioration</string>
     <string name="changelog_label_dependency">Dépendance</string>
     <string name="text_changelog_item_dependency">Certaines dépendances ou versions de bibliothèques locales ont été ajustées</string>
+    <string name="text_about_functions_version_histories">Version histories</string>
+    <string name="error_failed_to_retrieve_version_properties_file_to_parse_version_information">Failed to retrieve version.properties to parse version information</string>
 
 </resources>
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index b040b727..68fe9954 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -1002,5 +1002,7 @@
     <string name="changelog_label_improvement">改善</string>
     <string name="changelog_label_dependency">依存関係</string>
     <string name="text_changelog_item_dependency">一部の依存関係またはローカルライブラリのバージョン調整</string>
+    <string name="text_about_functions_version_histories">Version histories</string>
+    <string name="error_failed_to_retrieve_version_properties_file_to_parse_version_information">Failed to retrieve version.properties to parse version information</string>
 
 </resources>
diff --git a/app/src/main/res/values-ko/strings.xml b/app/src/main/res/values-ko/strings.xml
index d2c5e8c9..365babb2 100644
--- a/app/src/main/res/values-ko/strings.xml
+++ b/app/src/main/res/values-ko/strings.xml
@@ -1003,5 +1003,7 @@
     <string name="changelog_label_improvement">개선</string>
     <string name="changelog_label_dependency">의존성</string>
     <string name="text_changelog_item_dependency">일부 의존성 또는 로컬 라이브러리 버전 조정</string>
+    <string name="text_about_functions_version_histories">Version histories</string>
+    <string name="error_failed_to_retrieve_version_properties_file_to_parse_version_information">Failed to retrieve version.properties to parse version information</string>
 
 </resources>
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index e2a9ac3c..c5c08eb9 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -1001,5 +1001,7 @@
     <string name="changelog_label_improvement">Улучшение</string>
     <string name="changelog_label_dependency">Зависимость</string>
     <string name="text_changelog_item_dependency">Изменения версий некоторых зависимостей или локальных библиотек</string>
+    <string name="text_about_functions_version_histories">Version histories</string>
+    <string name="error_failed_to_retrieve_version_properties_file_to_parse_version_information">Failed to retrieve version.properties to parse version information</string>
 
 </resources>
diff --git a/app/src/main/res/values-zh-rHK/strings.xml b/app/src/main/res/values-zh-rHK/strings.xml
index 656c254b..6d535baf 100644
--- a/app/src/main/res/values-zh-rHK/strings.xml
+++ b/app/src/main/res/values-zh-rHK/strings.xml
@@ -999,5 +999,7 @@
     <string name="changelog_label_improvement">優化</string>
     <string name="changelog_label_dependency">依賴</string>
     <string name="text_changelog_item_dependency">部分依賴或本地庫版本調整</string>
+    <string name="text_about_functions_version_histories">Version histories</string>
+    <string name="error_failed_to_retrieve_version_properties_file_to_parse_version_information">Failed to retrieve version.properties to parse version information</string>
 
 </resources>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 29cf6410..29565437 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -999,5 +999,7 @@
     <string name="changelog_label_improvement">最佳化</string>
     <string name="changelog_label_dependency">依賴</string>
     <string name="text_changelog_item_dependency">部分依賴或本地庫版本調整</string>
+    <string name="text_about_functions_version_histories">Version histories</string>
+    <string name="error_failed_to_retrieve_version_properties_file_to_parse_version_information">Failed to retrieve version.properties to parse version information</string>
 
 </resources>
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index fb2ceb03..a8fdb8ec 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -999,5 +999,7 @@
     <string name="changelog_label_improvement">优化</string>
     <string name="changelog_label_dependency">依赖</string>
     <string name="text_changelog_item_dependency">部分依赖或本地库版本调整</string>
+    <string name="text_about_functions_version_histories">版本历史</string>
+    <string name="error_failed_to_retrieve_version_properties_file_to_parse_version_information">获取 version.properties 失败, 无法解析版本信息</string>
 
 </resources>
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index bc84cdc0..8dbee01b 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -1,6 +1,7 @@
 <resources>
     <!-- Default screen margins, per the Android Design guidelines. -->
     <dimen name="about_item_avatar_side_length">50dp</dimen>
+    <dimen name="about_item_avatar_side_length_land">60dp</dimen>
     <dimen name="content_inset">16dp</dimen>
     <dimen name="divider_drawer_menu_group">6dp</dimen>
     <dimen name="fab_margin">16dp</dimen>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index c0a7894d..dbd27b2b 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -27,9 +27,6 @@
     <string name="default_key_keep_screen_on_when_in_foreground" translatable="false">@string/key_keep_screen_on_when_in_foreground_disabled</string>
     <string name="default_key_root_record_out_file_type" translatable="false">@string/key_root_record_out_file_type_binary</string>
     <string name="default_main_file_name" translatable="false">main.js</string>
-    <string name="desc_about_functions_button_feedback" translatable="false">about_functions_button_feedback</string>
-    <string name="desc_about_functions_button_licenses" translatable="false">about_functions_button_licenses</string>
-    <string name="desc_about_functions_button_update" translatable="false">about_functions_button_update</string>
     <string name="developer_full_name" translatable="false">SuperMonster003</string>
     <string name="developer_nickname" translatable="false">SuperMonster003</string>
     <string name="ellipsis_six" translatable="false" tools:ignore="TypographyEllipsis">... ...</string>
@@ -1229,5 +1226,7 @@
     <string name="changelog_label_improvement">Improvement</string>
     <string name="changelog_label_dependency">Dependency</string>
     <string name="text_changelog_item_dependency">Some dependency or local library version adjustments</string>
+    <string name="text_about_functions_version_histories">Version histories</string>
+    <string name="error_failed_to_retrieve_version_properties_file_to_parse_version_information">Failed to retrieve version.properties to parse version information</string>
 
 </resources>