Why do we need to install display GPi CASE 2W patch for Retropie and Recalbox?
Because Retropie and Recalbox systems default display output is HDMI. GPi CASE 2W has to transfer display output to GPIO for it to work correctly.
GPi CASE 2W can have SAFE SHUTDOWN functions. (Scripts are necessary).
* Safe shutdown scripts: https://github.com/RetroFlag/retroflag-picase