Square Enix has taken Final Fantasy IV and its fine RPG elements, polished it up nice, added some spoken dialog for key events, added a new mapping feature, a jukebox, some new 3D graphics, tweaked the difficulty a bit and through in some achievements along with shrinking this version down to fit on the iPhone along with it’s bigger brother the iPad. So now no matter where you are for a mere $15.99 from iTunes you can continue your adventure!
Source Link: YouTube | Final Fantasy IV on iTunes | Final Fantasy IV On Square Enix Website