Color Bricks is a nice Tetris like game with extra game mode and improved touch controls.
Pieces fall from the top of the screen to the bottom. You can move them left, right, down and rotate them.
Your goal is to drop pieces so they completely fill a row or in the Chaos Game, they contact with other same-colored pieces.
When this happens, the row or the 3 or more pieces disappears, and all rows above it shifts down.