YouTube is branching out into games — at least for its paid subscribers. The platform is giving Premium users access to a set of online games that can be directly played on either the mobile app or desktop app. Known as “Playables,” the company first debuted the experimental feature to select users in September. As noted by Droid-Life, YouTube sent a notification last week to Premium subscribers informing them of Playables and allowing them to try it out. Those who opt in will be able…