Slap is a motion-powered soundboard that turns your phone into the most satisfying stress reliever ever. Just slap the back of your hand (with your phone in it) and hear instant, hilarious sound effects. ## How it works 1. Hold your phone flat on your hand 2. Slap the back of your hand 3. The motion sensor detects the impact 4. A random reaction sound plays instantly 5. Your screen flashes, your phone vibrates, emoji explodes everywhere