Valve brings Steam Link app to Linux, adds more togetherness - The Verge
One change is the introduction of a Linux version of its Steam Link app, which lets you stream games from a computer to a device with the Steam Link app installed on the same local network.This new Linux version means that you can now stream games from a computer to a Linux-based set top box hooked up to a TV, for example.
The app is also available on Android, iOS, and Raspberry Pi.