Installs the latest UMU/GE-Proton and Non Steam Launchers under 1 Proton prefix folder and adds them to your steam library. Installs... Battle.net, Epic Games, Ubisoft, GOG, EA App, Amazon Games, itch.io , Legacy Games, The Humble Games Collection, IndieGala, Rockstar Games Launcher,PS Plus, Glyph, VKPlay & HoYoPlay. SD Card Support and Games.