GTA V is running on an iPhone right now. The full game, 60fps, no cloud streaming, no emulator, no jailbreak. One guy did it in a few days, and how he pulled it off is a bigger problem for Rockstar than the game itself. Some background first. On October 6 a site called http://playgta5.com let you play GTA V inside a Chrome tab. It streamed about 700MB instead of the official 105GB install, and analysts widely believe it was built from the GTA V source code that leaked in September. Take-Two…