GNU/Linux Ubuntu Installing Flatpak Guide
Hi! The Tutorial Shows You Step-by-Step How to Install Flatpak in Ubuntu GNU/Linux Distribution.
Because Flatpak for Ubuntu is a technology for Building, Distributing, Installing and Running Linux Apps.
And Flatpak is primarily targeted at the Linux Desktop, although it can also be used as the basis for application distribution in other contexts, such as embedded systems.
Especially relevant: due to the Frequent Releases stream the official Flatpak PPA is the Recommended Way to install Flatpak.