Whats the Best Platform Game on the PSP ?

The best way to let the new fans of any console relive the classics is to let the people who play them advise them on whats best for each console, so DCEmu is asking on each console we support what do members of DCEmu think are the best games for that console. Todays question is

Whats the Best Platform Game on the PSP ?

Prinny.

Are we talking PSP originals? If so the Prinny. If not the Castlevania: The Dracula X Chronicles.