Me too. It’s coming to Linux though. https://www.gamingonlinux.com/2026/07/gog-confirm-they-are-w...
Until then we use this: https://heroicgameslauncher.com/
If you have the rig already, you could also use Sunshine and Moonlight for streaming. https://moonlight-stream.org/
Meh I don't want another store app, I want an API that I can use from my store-agnostic open source game launcher / library. They should just officially support efforts like Heroic instead.