http://www.vector.co.jp/download/fil.../fh327077.html
Just download and try Mizuguchi's latest for yourself. This demo even works with a game pad, otherwise it is simply the arrow keys & "z". Can you say, yet another killer app for PSP? I can't wait to see where this goes from here. Videos don't compare to playing it.
(The PC demo of the upcoming PSP game Every Extend Extra, just in case y'all are nervous about blind links)