Phoenix Wright: Ace Attourney?
Yeah, I know the game, where you play an attorney and can even yell objection into your DS looked quite funny when I saw reviews at TV.

I have a TV program, called Game One (french), which has a show called Level 1, where they test games and show them for about 15-20 minutes. There I also saw Phoenix Wright. I would test it immediately, if I had a DS.