Nintendo and different developers revealed new trailers for upcoming games for both the Nintendo Wii U and 3DS eShop, where most of them will be likely released on 2015. You can see the list below:
Shantae and the Pirate’s Curse (3DS / Wii U)
WayForward
Beatbuddy (Wii U)
THREAKS
https://www.youtube.com/watch?v=HNp_Mu7jP0g
Runbow (Wii U)
13AMGAMES
Woah Dave! (3DS)
Choice Provisions
Chariot (Wii U)
Frima Studios
Sportsball (Wii U)
TOO DX
Xeodrifter (3DS)
Renegade Kid
Costume Quest 2 (Wii U)
Midnight City / Double Fine
Stealth Inc 2 (Wii U)
Curve Studios