
I've tried this one, and I must be say it should one of the top recommended games on a DS, that a player should try out from all the rest. I was very much intrigued into the storyline, that is about parallel universes. It's simply awesome because everything is touch controlled, the navigation and battle. It's turn-based battling though, unlike Zelda, and most of the time you'll just end up looking at the story instead of the actual gameplay.
The game also has voice-overs for the characters, so its actually more of a narrated story, and the voice actors do a fabulous job bringing the story alive. At many places, they actually have anime-ish cutscenes that portray the scene (which makes me want an anime series of it

It's a recent March 2009 release, so make sure you try it out for sure if you're an RPG lover!
Screenshots:




Videos:
Official Trailer:
Cutscenes (Part 1):