Technically, Apple hasn’t released a Software Development Kit for the iPhone — like that was going to stop anybody. A host of apps is already available for the “It” gadget of 2007, including this hack of the InfoNES Nintendo emulator, which lets you play Super Mario Brothers, Legend of Zelda, and hordes of other classic NES titles right on the iPhone, complete with an onscreen gamepad (though the developer says the pad isn’t quite ready for prime time). Check out the video, found via Neatorama.