Despite the prevalence of smartphones, few consoles and console games take advantage of this "second screen" available at our fingertips. Some games even have in-game phones that point to the fact, but don't always tie into the real world. While some games actually do use your mobile device as an extension of your game, GTA V isn't one of those. Well, at least not without this latest, still unpublished, hack. YouTube user " DIY Projects Planetleak" published a video showing how he controlled the game's in-game phone using, well, his iPhone.