Imagine a game like Super Meat Boy on the iPhone. Sounds absolutely horrible, doesn't it? A tight platformer full of tricky jumps and timed challenges, all utilizing the iPhone's notoriously dodgy touchscreen controls?
Okay, now imagine a game like Super Meat Boy on the iPhone ... but it actually works. You've just imagined League of Evil, and it's pretty damn good. Even if it does make you want to snap your phone in half.