Here's a fun game from Square-Enix.
It will get a release on the DS in November, maybe I should pick it up
http://bp.gameonblog.com/jparts/game_entry.html?game.swf?myMode=1&myUrl=yosumin.swf&myWidth=640&myHeight=480&itemId=2&parentId=hhbnUtco&childId=hiklLjCJ&game_id=2&parts_id=3