Something new from the Department of Unnecessary Projects #DepUnPr
fatpak
an unholy combination of bash, qemu, ssh and X11 to run flatpak apps inside a linux qemu vm, With a cli interface same as flatpak, but with added subcommand 'machine', to manage the qemu vm, inspired by 'podman machine'.
No, it doesn't work reliably.
But I can show this: