Graviboard iPad iOS 5.1.1: Brings gravity to your homescreen

Graviboard is a Cydia tweak that brings gravity to the Springboard of your iPhone, iPad and iPod Touch. Once the gravity is enabled, all your icons of your iDevice will fall down. You can also drag and fling icons with your fingers, icons will follow whichever way you tilt your device and you can also tweak settings like bounciness, gravity and friction