Hi Dom ... see this thread
– especially Ahruman's comments on the potential amount of work involved. One interesting one is
[...] the chances of Oolite being preemptively rejected from the App Store as a potential copyright violation are quite high, and I don’t care to speculate how FrontierDev would respond if it wasn’t.
Current opinion is that we only get away with Oolite because nobody is making any money from it: non-commerciality is our only defence. When they started trying to charge money for Elite: TNK was when David Braben's lawyers stepped in with the injunctions. So even if the App store didn't reject it as a copyright violation to begin with, chances are they would pull it very shortly after receiving a cease and desist letter from Frontier Developments. And then the fun would start ...