Coming from the official website:
New features, only on Wii U
Wii U GamePad features
You can use the Wii U™ GamePad controller’s touchscreen and a stylus to control the action in both Bayonetta and Bayonetta 2.
You can play using just the GamePad screen, without having to use your TV.
Japanese-language option
Choose between English and Japanese audio tracks, and select either English or Japanese subtitles to accompany the voiceovers.
What’s that? You didn’t see enough Smash today? Well Sakurai recapped today’s surprise announcement after the invitational:
Pic of the day, and a surprise announcement. A milestone of video-game history–PAC-MAN joins the battle! He’s even older than Mario!!
In case you haven’t checked it out already, here’s our coverage of the Pac-Man announcement complete with all the released screenshots
An additional bunch of Xenoblade Chronicles X details have been transcribed from Nintendo’s Treehouse demo. Find them after the break.
Here's your first #HarvestMoon: The Lost Valley screenshot! What an adorable cow~ <3 pic.twitter.com/YLp6s2aSAC
— Natsume Inc. (@Natsume_Inc) June 11, 2014