http://www.eurogamer.net/articles/2012-02-28-limbo-job-ad-suggests-iphone-ipad-and-android-ports A new job advert suggests downloadable darling Limbo will launch on iPhone, iPad and Android. Danish developer Playdead is looking for a programmer to port "our games for new platforms". "We have already released a game on X360, PS3, Windows, OSX and OnLive," the ad reads, "and we are continuously investigating other possible platforms.
They said a while ago that Limbo needed a dual core processor to run... so maybe its coming to iPad 2 and iPhone 4S, like Machinarium...