The benefit is convenience. If your desktop gaming PC is in a study/office, but you feel like sitting on the couch in the living room, being able to play the game on your iPad may mean the difference playing or not.What exactly is the point of this app anyway? From what I'm reading, it lets you stream Steam games from a PC over the local WiFi network. What exactly is the benefit here? If you're already home, might as well play the games directly on the PC with less lag and smoother gameplay?