Handheld consoles

[c4pob]

An ambernic or retroid device would do remote play for Xbox. They’re android based devices for game emulation so have all the controls etc.

 

[Crazylegs]

You can use Games Pass via a steam deck without having to use Steam itself I believe. I still think a phone mated to Razer Kishi V2 or Pro is probably your best way forward.