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Steam Link app on RaspberryPi 3B / 3B+
Steam Link App is now available on RaspberryPi 3B a 3B+, popular single-board computers.
Fot the installation, you need to use only two commads for Raspbian Stretch. Steam Link is implemented in RetroPie and ETA PRIME.

What is Steam Link App? The the service which streams games from your computer directly to your device (mobile, RaspberryPi).
So you can play all games which your computer supports.

Installation on Raspbian Stretch

curl -#Of http://media.steampowered.com/steamlink/rpi/steamlink_1.0.5_armhf.deb
sudo dpkg -i steamlink_1.0.5_armhf.deb


Originaly shared: https://www.cnx-software.com/2018/12/06/steam-link-raspberry-pi-3-board/

Link to blog https://steamcommunity.com/app/353380/discussions/6/1743353164093948391/