The following videos are available for viewing on the 3DS eShop...

Nintendo Direct
Kid Icarus: Uprising - Game Overview Video
Kid Icarus: Uprising - Weapons Video
Kid Icarus: Uprising - Multiplayer Video
Dillon’s Rolling Western - Launch Trailer
Dillon’s Rolling Western - Gameplay Trailer
3D Classics: Kid Icarus Video
Mario Open Tennis Video
Spirit Camera: The Cursed Memoir Video

We will have all of these videos for you shortly. Thanks to Johnny4 for the heads up!