Second, I am trying to download our other app Kiosc but it doesn’t appear in the store app, and when I try to do it through the terminal I get the following error:
@cmichael the way the GNOME shell ties icons to windows is different to the way other environments do. If you enable dev tools in gnome, and run the looking glass thing, you’ll see that Kiosc Editor does not have an ‘app’.
I don’t know how to solve this, but I’m sure somebody does
Rename your desktop file to kiosceditor.desktop and things should work. Tried locally on my 18.04 box and it did the trick (snapd will install it as kiosceditor_kiosceditor.desktop, but gnome shell pics that up without issue).