It requires a PC or Mac with Steam installed. With the Steam Link, PC and Mac games can be streamed over a home network connection either wirelessly with 5GHz WiFi or through a wired connection. It also works with Android mobile devices. It works with Android TVs such as those from Sony, Philips, and other brands as well as Android TV powered media players. Steam Link on AndroidThe Steam Link app was announced last week and is now available in beta for free on the Google Play Store.
The app lets you play full PC games on your TV screen via home network streaming. Valve has released the Steam Link app in beta for Android TV.