I quite like Sonic Jump Fever. As endless jumpers a la Doodle Jump go, it's pretty good, and adds a few neat extras to keep the play exciting.
There are bonuses to pick up, special boosts to implement, and leaderboards to conquer so that you can lord it over your friends on Facebook. The tilt controls are responsive, and the presentation is suitably bright.
There are loads of enemies too, but they're partly the reason I've got all in a tizz about Sonic Jump Fever.
Click the play button below and you'll find out exactly what's got me in a froth.