How to Install Flatpak on Ubuntu (Step-by-Step Guide)
▻https://www.omgubuntu.co.uk/2019/02/how-to-install-flatpak-on-ubuntu-flathub
Learn how to install Flatpak on Ubuntu 18.04 LTS or later and unlock access to hundreds of new and updated apps through the Flathub store. This post, How to Install Flatpak on Ubuntu (Step-by-Step Guide), was written by Joey Sneddon and first appeared on OMG! Ubuntu!.