Kinect has been making headlines with various hacks using computers, but check out this hack using the beta SDK with a Windows Phone. The demo creates a pseudo-holographic effect as the Kinect can see the position of the viewer and adjust the game engine accordingly in order to give the illusion of a truly 3D experience.
The accelerometers on the phone are used to control the helicopter. If you’re interested in seeing more of this wizardry, check out Programming4Fun’s channel.