Hypnowheel is based on an ancient optical illusion. Stare into the spirals for 20-30 seconds, then look at the back of your hand, or into a lover's face, or out the window at passing traffic*. Then, marvel at the weird and terrifying distortions in your vision caused by the amazing iPhone.
Swipe up/down/left/right for different eye-melting patterns
Doubletap to reverse the spin direction of the spirals
* Should not be used while driving, naturally.