This is an Android "Live Wallpaper" that runs a Cellular Automata simulation - often called "Life".
The rules it uses are taken from: Conways Game of Life
The animation runs in the background on your Android device, updating the screen every generation. You can set how big each cell is (default is 8 pixels) and how long each generation takes (default is 200ms).
If you end up with a generally static or dead array on screen, you can triple-tap the screen to reset to a random population.
Apps from the same developer
Cellular Automata that is Entertaining! Rule sets, Pattern Editor, Colorful!
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Androlicious.com is a website that shows applications and games from Android Market. You can download and install apps and games directly from Android Market using an Android phone or by using WebConnect mobile application.