For those who don't want to watch:

New Fire Emblem

footage of Xenoblade Chronicles X

Puzzle Dragonz Z
Puzzle Dragons Z with a Mario Skin
Puzzle Dragons Z with a Pokemon Skin

Kirby and the Rainbow Curse footage. Detailed info on the Amiibo integration

Hyrule Warrios Majora's Mask DLC to include Tingle, Child Link with Fierce Deity Link, and new costumes

New Splatoon footage includes character customization

Mario Party 10 and it uses Amiibos

Mario vs Donkey Kong Tipping Stars

A Free to Play game by Namco announced, but no release date or title. Project title is Project Treasure

Xenoblade Chronicles for 3DS

New 3DS with a c-stick Amiibo integration, and face tracking 3-D.

New special edition Majora's Mask 3DS

Codename Steam footage includes fire emblem amiibo support

Etrian Mystery Dungeon

Ace Combat Assault Horizon with amiibo support that changes the skin of the plane.

Ultimate Monster Hunter 4 3DS bundle.

New Line of Amiibos coming for the Super Mario series.