Valve has released Steam Mobile for iOS, a free app for the iPhone. According to Valve, "With the free Steam app for iOS, you can participate in the Steam community wherever you go. Chat with your Steam friends, browse community groups and user profiles, read the latest gaming news and stay up to date on unbeatable Steam sales." That's the promise of the app, anyway; Steam Mobile has launched in "limited beta," meaning you first need to input an activation key on your PC or Mac. Entering your username and password into the Stea
