GNU/Linux Kali Fix GNOME Software Flatpak App Not Showing – Quick-Start Guide
Hi! This tutorial will guide you step-by-step on How to Fix Gnome-software Flatpak App Not Showing in Kali GNU/Linux Desktop.
GNOME Software is a graphical package manager for the GNOME desktop environment, designed to help users easily discover, install, update, and remove applications.
GNOME Software has built-in support for Flatpak, allowing users to easily install, update, and manage Flatpak Apps alongside traditional system packages.
This integration enhances the software center by providing access to a vast library of sandboxed applications from Flathub and other Flatpak repositories.

1. Installing Package
First, Install Required Software
with:sudo apt install gnome-software-flatpak-plugin gnome-packagekit
In case first see: Terminal QuickStart Guide.2. Enabling Flatpak Repo
Then Enable Flatpak Repository
With:flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
Next best to Reboot you system:sudo reboot
3. Installing Flatpak App
Last, to achieve the Gnome-sofware Flatpak Integration
Just access on Browser the Flathub page:
https://flathub.org/
After Double-click .flatpakref File.
This will automatically load the App on Gnome-software.
Confirm to :