Look at FLATPAK_SYSTEM_DIR env var for default system dir
Look at FLATPAK_SYSTEM_DIR env var for default system dir

This is useful for testing

matthiasclasen/flatpak,GeorgesStavracas/flatpak,handsome-feng/flatpak,handsome-feng/flatpak,amigadave/flatpak,alexlarsson/xdg-app,flatpak/flatpak,matthiasclasen/flatpak,handsome-feng/flatpak,GeorgesStavracas/flatpak,alexlarsson/xdg-app,amigadave/flatpak,GeorgesStavracas/flatpak,handsome-feng/flatpak,amigadave/flatpak,matthiasclasen/flatpak,flatpak/flatpak,handsome-feng/flatpak,GeorgesStavracas/flatpak,GeorgesStavracas/flatpak,amigadave/flatpak,flatpak/flatpak,alexlarsson/xdg-app,matthiasclasen/flatpak,flatpak/flatpak,alexlarsson/xdg-app,matthiasclasen/flatpak,flatpak/flatpak