* GeForce NOW SDK: https://developer.geforcenow.com/learn/guides/offerings-sdk
* Stadia SDK: developer.stadia.com (offline)
* Xbox Cloud Gaming: https://learn.microsoft.com/en-us/gaming/gdk/docs/features/c...
* ...
Just like every Game Store requires its own build: Steamworks SDK, even GOG: https://docs.gog.com/sdk/
Some games allow browsing files locally for savegames, music libray, ... . Imagine if you could do that on the cloud VM.
Stadia is completely shutdown and Archive.org has no captures of that subdomain so any content there is likely lost.