ARamdomGamer on 16 August 2015
I'l recommend stuff that I don't see in others list.
DS
Ace Attorney games.
Okamiden
Kirby games
Hotel Dusk Room 215
Trace Memory
Advance Wars games.
3DS
Code Name STEAM
Some digital ones:
Pushmo series, Sakura Samurai, Box Boy!, ect.
I see others have beat me to the 3DS games