>>714437830
>what's the first thing to do with it?
Play Aperture Desk Job
Grab ProtonPlus or ProtonUp-Qt
Get Protontricks
For emulators just use Emudeck and use archive.org for any of the bios files for anything older than Switch.
Decky is a plugin manager, here's some I like:
>Decky Cloud Save
Plenty of games currently sold or were sold don't have cloud saves.
>Syncthing
Another file backup/sync service like Decky, but requires your other computer to have syncthing installed.
>SteamGridDB
Allows you to edit cover art on steam.
>AutoFlatpaks
Updates your most of your flatpak apps in game mode.
>Shotty
Aggregates your screenshots into your "Pictures" folder instead of steam's weird file system.
>Switch games
You can do it and even have gyro functionality with GyroDSU. But it's not going to be any better than Switch and with last years nuke of Ryujinx and Yuzu whatever problems you have will probably be there forever.