Just after discovering Yeti3D I’m pleased to find that Quake 3 is now ported to the iPhone, completing the karmic circle that all handheld devices must follow. In the first incarnation, they must play Doom. Then they must play NES. Finally, they must play Quake 3. So it is written, so it shall be.
Best of all? It uses the accelerometer instead of the insuckerometer AKA pressing onscreen buttons.