Joystick-It
Not a fan of the virtual controls of your favorite touchscreen games? The Joystick-It ($25) can help. This crazy solid aluminum joystick attaches to the front of your device, plopping down right above the virtual joystick/d-pad to provide that tactile feel that's so maddeningly absent from all these newfangled "touchy" gizmos. Great for all sorts of games, though it's obviously best when paired with a game you actually used to play with a joystick.