Damn, that's neat. The Wii U can't do that with the Gamepad.
However, since the Wii U is essentially a dual screen system, I wonder if Nintendo will adopt this idea and use it with the preexisting 3DS? It could be done! :D --- Not changing this sig until Flipnote3D is released in NA. Started August/12/13 Giving up on sig now, Flipnote3D got suspended in Japan as well. F this.