Simulate four different fight moves with sound effects Set move sensitivity, flash, vibration, background color, and volume Show your friends that their kungfu is good, but yours is better Fight Free turns your Android device into a fighting machine. Select from four sound effects (brass knuckles, baseball bat, knife, and fist), and move your Android device around to make the sound and simulate the fight move. You'll look like you came straight out of old-school kungfu movie.