The Wii U controller contains the same motion tracking hardware as a Nintendo Wiimote, which means the system can track its relative position at all times, and update the controller screen depending on its orientation.
In "Captain Falcon's Twister Race, " an F-Zero shout out, you hold the GamePad vertically, viewing the action top-down while twisting the controller left or right to guide a racer along a flashing track.
Although less than two minutes of it was shown, with No Doubt's Hella Good track thumping in the background, it illustrated the various new markets that Microsoft hope its new controller will expand into.