So far we've only seen third-party download game in the Nintendo 3DS eShop, the decent but could-do-better Let's Golf! 3D. That offering is set to multiply significantly by year's end though, as Nintendo announces the 3DS download games on the way before 2012.
Mario Kart 8! Mario Tennis (twice)! Mario & Luigi: Dream Team! Much More!
Metroid: Other M! FreezeME! Loads of Fire Emblem discounts! Much more!
Nintendo Selects! Lost Reavers beta! Runbow DLC! Olympia Rising! Much more!
Pokkén Tournament! Mutant Mudds Super Challenge! New 3DS VC! More!
New 3DS VC classics! Stella Glow! Star Ghost! Blast 'em Bunnies! More!
Hyrule Warriors Legends! Shantae 2 on Wii U! Star Fox 64! DKC! More!
Star Fox Zero/Guard! Mario Party! Langrisser Re:Incarnation Tensei! More!
Yo-kai Watch! SteamWorld DLC! Lost Reavers! Mini Mario! Much, much more!
Mario & Sonic in Rio! Lovely Planet! Wario Shaking It! Much More!
"Difficult" for NIS America to maintain "an equal-partnership with Atlus"