It does a lot, but most of that would probably be made up for by the extra speed and precision of the stylus over using your fingers on the iPhone. Again, this is why the iPad version is so great: it includes the benefits of both styles. I'm interested to see how they do it on the 360, because I can't imagine it working well with a joystick. I have no intention of buying it, but I'll definitely download the demo to try out what they've done.