Blockinger - An open source Tetris clone for Android.
Dood : The Puzzle Planet - A strategy puzzle game for the smart ones
Tetris Blitz - Race against the clock in a two-minute blitz to clear lines and rack up points before time runs out.
63 - 63 is a race against the world.
NullpoMino - NullpoMino is an open-source action puzzle game that works on the Java platform.
Decode Me - Solve internet puzzles for mystery prizes