Nvidia has been talking about the fact that Portal will be coming to SHIELD since they announced it at their GPU Technology Conference along with the $199 price cut of the SHIELD. Since then, the guys at Valve and Nvidia have been working feverishly to deliver a working port of Portal from the PC to SHIELD. Well, we got an early access to the APK a few days ago and we’ve been playing it ever since, and the verdict is that its virtually impossible to tell whether or not I’m playing on my PC or on my SHIELD. I’ve played Portal before on my PC