PlayStation Now, the product of Sony buying Gaikai entertainment, will be arriving on PlayStation 4 on July 31st. It will allow gamers to access older Sony games at the touch of a button. The service will be coming to PlayStation 3 and Vita as well, but later in the year at an unreleased time. Sony will be focusing on plenty of games from the past to keep the catalog deep on all platforms. It will also be featured on PlayStation TV.