Personal Flatpak repository. Add the remote once, then install any app from it.
Add the Ampernic remoteflatpak remote-add --if-not-exists --user \
ampernic https://flatpak.ampernic.space/ampernic.flatpakrepo
# see what's published
flatpak remote-ls --user ampernic
# install (stable is the default branch)
flatpak install --user ampernic space.ampernic.AnotherTGProxy
Every app publishes a stable branch (from release tags) and a
devel branch (from main). Append //devel
to pick the development build:
flatpak install --user ampernic space.ampernic.AnotherTGProxy//devel