Is there any iOS application that anyone would actually need? I can't think of any app that is more usefull then the apps on the n900 and n9. (Except for certain games) Half the apps on iOS are just web pages in apps. The only application that I can think of would be Shazam, but even that one is not necessary. Other then that, good luck to the developer and it would still be fun to see it ported, even without cool possibility's.