Substrate - This application contains a collection of live wallpapers for Android. Once installed, you can install any of the wallpapers on your desktop in the usual way. The package also contains a runnable application which previews all the wallpapers and provides access to their settings
TouchTest is a simple Android application to test screen parameters and multi-touch.
The application displays a 50-pixel grid which illustrates the screen sizes, and edge markers to check the registration of the screen edge with the surrounding bezel
TestCard is a simple screen test pattern for Android devices.
The app displays test patterns which are intended to let you see the structure of individual pixels, and the effect that has on the overall quality of the display. On many devices, the display will be utterly uninteresting
TiltLander is a simple project to demonstrate accelerometer use in Android. It's just the Android Lunar Lander demo, with the accelerometer hooked up to control the tilt of the lander.
How to play
You have to land the lander on the landing pad, which is shown as a green line at the bottom of the screen. (The actual position changes at random
