In the Sony booth, they had a playable version of Little Big Planet for PSP which showcased a full level as well as a mini game level. I got a chance to play through the full level, and it was pretty amazing. The graphics on the PSP screen look almost the same as the PS3 counterpart, just on a small screen. The animation is spot on, and Sackboy looks and moves just as you’d expect.
read the full article at Die Hard Game Fan – E3 2009 Hands On Impressions: Little Big Planet (PSP)