I have a hard time believing this game can be as good on iOS/Android as on Wii. Without the Wii controllers it's pretty much as any other game out there. One of the greatest things with this game is how you control the two different characters with the separate controllers. One controller steers the boy and the other steers the wind... how do you do that on a tablet computer such as the iPhone or iPad? Steer one with the tilt and the other with the touch screen?
Well well... I'll just have to wait and see. I would be able to understand on a workstation or laptop computer. Steer one with a joystick and the other one with the mouse... a little like in Walker.
http://www.youtube.com/watch?v=HXrCBJZrQUk
(I really love that game... one of my favourites... right beside Super Frog, Syndicate, Canon Fodder and Flash Back (And Frontier, of course!

))
... or Lost Winds for Kinect! That would be awesome!