Implemented all Protobuf methods
Added features for the Protobuf protocol:
- setting an Activity to fullscreen
- intercepting volume buttons
- hardware-accelerated rendering with SurfaceViews
- setting the secure flag for an Activity, disabling screenshots and blanking it out in the app switcher
WebView fixes
Changed the app icon a bit
Added more demo videos
Implemented a Bash library
Implemented a C library (tutorial not yet fully finished)