[prmoustache]

Use a vnc client on your android device and setup a virtual monitor on your desktop that is really a vnc server.

I know how to do that with Sway and swayvnc on wayland, as well as with xorg.

https://superuser.com/questions/1434779/using-a-tablet-as-a-...

https://www.reddit.com/r/swaywm/comments/k1zl41/thank_you_de...

This is particularly helpful to people using asahi linux and wanting to connect an external monitor. That can be done with something as simple as a raspberry pi.

EDIT: apparently this project help achieving the same thing on different OS but using webRTC and a browser:

https://github.com/pavlobu/deskreen