Of course there is still plenty missing: you don't get the highest resolution display around, there's no wireless charging, replaceable battery, no waterproofing, no microSD card, no real NFC beyond Apple Pay, and no wide open operating system for all to use regardless. (pocket-lint.com)
Tokyo, September 19, 2012 — Sony Computer Entertainment Inc. (SCE) today announced that it will start to deliver dedicated content for PlayStation ® Mobile, delivering the world of PlayStation ® on open operating system - based devices ※ 1, through PlayStation ® Store on October 3. (phandroid.com)
There's also no real NFC beyond Apple Pay, and no wide open operating system for all to use regardless. (pocket-lint.com)