Mobile gaming is a vibrant and exciting space and we don't see controller-based games replacing touch screen games, we expect them to enhance and enlarge the smart device gaming experience to include the living room experience.
The challenge is making games that require a mouse and keyboard palatable to people who are used to a controller, or to people who just don't want to migrate PC controls to the comfort of their living room.
Originally shown at GDC, the tweaked experience is now up for grabs, and can even be played by those who don't have a Rift -- albeit with just the controller's perks.