Final Fantasy IV (originally released as FF II in the west) just recently became available (iTunes store link) for iOS. It’s on sale right now at $8 for I’m not sure how long (which is 50% off, I think). The sequel Final Fantasy IV: The After Years is also coming to iOS sometime this november, which means I don’t have to pick up a PS Vita at some point to play it. Final Fantasy IV was #5 in my Appendix NES list.
This is a remake with new graphics, not just a port, which has both upsides and downsides. I haven’t played that much of it yet, but the controls are excellent. The old sprites left more to the imagination than the new 3D character models, which detract from the mood somewhat, but that is just a minor complaint.
This is probably my second favorite Final Fantasy game (VI being the best), and IV might have an even more inspirational setting for tabletop RPGs. Something about the setting of VI seems more appropriate for the telling of an epic story, whereas I can more easily see adventurers exploring the lands of IV. Also, IV has underworld tank dwarves (Google image search pointed me to Papers & Pencils, hah).
VI will also supposedly be coming as an iOS remake (finally!), if the IV games do well.
Final Fantasy IV iOS remake (personal iPad screen captures):
Original SNES presentation, for comparison: