This experiment uses your device's microphone to detect Doppler shifts in the sounds sent out by your computer.
Turn your microphone on, the higher the better.
To make the bird flap its wings, move your hand towards your speakers.Start playing!
Doppler shift library by Daniel Rapp (https://github.com/DanielRapp/doppler)
Flappy Bird port by Nebez Briefkani (https://github.com/nebez/floppybird/)