“There is not a native app on Steam deck today,” said Andrew Fear, GFN boss, back in January. “Use a Chromium browser to make it work. I would say that both Nvidia and Valve, I think we’re both interested in making [GeForce Now on Steam Deck] better. But we don’t have any announcements on a native app coming to Steam.”
I’m surprised there isn’t something already with how google has been marketing gaming on Chromebooks via streaming services.
There is moonlight and sunshine and you can use xcloud via microsoft edge on the steam deck.
The weird Chromebook situation is clearly a result of them shutting down Stadia when other teams were still intending to integrate with it.
Perhaps the Chromebook executables can be made to work on Linux?