via http://psp.dashhacks.com/2011/12/03/...ping-rectangle

Guess who's back!? It's Total_Noob, switching things up... From enabling homebrew by way of TN-HEN to actually releasing the homebrew is Total_Noob with Jumping Rectangle. You're a rectangle and you jump your way through each level, collecting points on your journey.

download - http://psp.dashhacks.com/downloads/jumping-rectangle