For Linux Desktop I found a solution which works quiet well:
https://love2d.org/forums/viewtopic.php?f=14&t=85935
Something like this launcher is what you should get by default when you download löve2d …
Sure, as a developer there is nothing to gain but for EVERYONE ELSE … sorry.
If they made it possible to distribute *.love files, they should care.
I just tried it on the gameshell but it does not load. It’s an AppImage but I am certain this is not the issue.
Maybe someone can make a GameShell branch of this? I am definitly not the guy.