diff --git a/android-app/.gitignore b/android-app/.gitignore
new file mode 100644
index 0000000..3aa2f13
--- /dev/null
+++ b/android-app/.gitignore
@@ -0,0 +1,17 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+/app/src/androidTest/java/com/uiui/os/
+/app/src/test/java/com/uiui/os/
+/.idea/
diff --git a/android-app/app/.gitignore b/android-app/app/.gitignore
new file mode 100644
index 0000000..796b96d
--- /dev/null
+++ b/android-app/app/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/secure-device-demo.zip b/secure-device-demo.zip
new file mode 100644
index 0000000..a76b6cc
Binary files /dev/null and b/secure-device-demo.zip differ