Looking for a good DS RPG

[Refa]

I'd say they're action adventures/Metroidvanias.  They definitely have RPG elements (the dreaded buzzword, I'm sorry) in leveling up and having quests (in some of them, anyways), but the primary gameplay focus is on exploring and getting new equipment/abilities to help you progress further.  Well, this is splitting hairs since honestly it's all distinctions in the end, but the main point is that I don't think they're the type of games that the OP is looking for when they say RPG's (of course, they still come very recommended in the end personally, so maybe it's just a moot point?).