Do you mean like, an iPhone emulator or something? I'm not sure how to get one of those working or if they'll even work. I remember using an Android emulator to test an app, and it was kind of slow and buggy. As far as I've been told by others, phone emulators never do give you a good indication of the finished product.
Maybe just try and do a dummy emulator where you just put an iPhone image over the app (in the FLA) as a kind of border? Sorry if I haven't understood your question correctly. If I missed the point of what you were asking just let me know and I'll try see if I can help!