Cloudy Pad
8.4#2 in cloud gaming servicesFree planFree planAndroidiOSWebLinux
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Cloudy Pad suits players who want to stream games they already own using their own hardware or a supported cloud provider. It is a fit for people comfortable with self-deployment requirements such as Docker, Moonlight, and Proton for Steam games.
You want what its maker publishes above — check its page for the details.