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It might come to other platforms but it'll lose a lot of the features the game has, such as Platform Hero and practically all the stages that involve the little green guy, since the GamePad is so integrated to the game. You could theoretically do the same with PS3/Vita crossplay and MS Smartglass but that would be costly and not many gamers would be able to do that.
Whoever said nothing is impossible obviously never tried slamming a revolving door.