Start it, then tap the screen to start a new round. Game rules: You have to choose a side before the choosing ends if you do not choose before the choosing ends you are automatically out. If your side is out you do not play in the next round. You stand on the right of the of the computer or screen if you are choosing blue. The same applies for red side but you are on red side but you stand on the left. enjoy the game 27_and_53