This document summarizes Kukuh Syafaat's experiences with openSUSE Leap and Flatpak. It provides an overview of Flatpak, its goals of distributing applications across distributions, and Flathub for distributing apps. It also discusses how Flatpak is integrated with openSUSE Leap and GNOME Software, and Kukuh's use of Flatpak to install multiple versions of the GNOME Builder application. Finally, it briefly mentions the Kubic Desktop and Kukuh's vision for the future of openSUSE and Flatpak.