Renders of the heavily rumoured Google Controller are just mock-ups based off of a patent filing.
It’s no secret that Google is working on something cloud gaming-related, and rumours abound that we’ll see a reveal for a ‘Netflix for Games’-type service at this year’s Game Developers Conference.
Perhaps as part of this, Google has filed a patent (via The Verge) for a system that notifies players when they get an invite or a game is ready to play through a controller.
Source: IGN.com The Google Controller Pictures You've Seen Online Aren't Real