To install Flatpak on GNU Guix, run the following in a terminal:
guix install flatpakFlathub is the best place to get Flatpak apps. To enable it, run:
flatpak --user remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepoTo complete setup, restart your system. Now all you have to do is install apps!
Note: graphical installation of Flatpak apps may not be possible with GNU Guix.