Black Tiles - Touch The White Piano Keyboard

It's an addicting game that test your reflexes,speed, stamina and accuracy. How to play: 1. Tap on the black tile, and move up 2. Tap on white tile, then the game is over. There are five modes to choose. -classic mode you can tap the lowest black block as soon as possible. Measure the time required to advance 50 steps. -challge mode If the 50 steps forward at a specified time，extra ti…