Directly to you from Twitter:
So happy you’re excited for Nintendo Treehouse: Live @ The Treehouse! The live stream of upcoming holiday titles starts at 10 AM PT on 9/12—
Nintendo of America (@NintendoAmerica) September 10, 2014
…Wanna play? Buy a 3DS.
And if you’ve already got yours, here are all the games already available on the platform. 😀