Tithen

Not sure if this fits your use case. But this mod seems to work pretty flawlessly from my experience. https://geysermc.org/

A lot of game launchers can already be skipped by putting:
–skip-launcher
In the game properties under steam

OS is free, you can subscribe as a donation method.

https://commerce.jolla.com/products/sailfish-os-voluntary-subscription

Oh that’s awesome that a version of it got built! Thanks for sharing

Am I missing something here? The article was posted in 2019