Nintendo released a batch of interviews to indie developers, promoting different 3DS and Wii U eShop titles such as Woav Dave!, Affordable Space Adventures, Shovel Knight, Shantae and the Pirate’s Curse, Chariot, Runbow, The Fall, Costume Quest 2, Swords and Soldiers II and Sportsball.
You can see the trailers below:
https://www.youtube.com/watch?v=zrf1R1N85WI