The dialog in gnome-app-install is only a workaround for a missing feature of the GNOME menu. Bascially we ship all the information with gnome-app-install in the app-install-data-* packages. So applications/packages not known to gnome-app-install cannot be handeled.
The dialog in gnome-app-install is only a workaround for a missing feature of the GNOME menu. Bascially we ship all the information with gnome-app-install in the app-install-data-* packages. So applications/ packages not known to gnome-app-install cannot be handeled.