Chainsaw Simulator Prank

Turn your phone into a chainsaw. Swing it and the engine revs for real.

Pull the starter and a two-stroke engine kicks in. Then the vibration reaches your hand.Swing it and the engine revsThis is not an app that just plays a sound file. Swing the phone for real and the gyroscope reads how fast you moved it, then pushes the engine up. The faster you swing, the higher the engine pitch and the louder the chain hiss. Hold still and it drops back to idle. The RPM gauge on screen shows exactl…