[User 224999]

I'm happy with it in Skin Shortcuts just because I'm using the 'Get More...' button of the select dialog to trigger the process, as that seems a natural place for it. That and I'm just so much more familiar with the Skin Shortcuts code I'm happy for it to be switched, though, if that's the prevailing opinion of where its best done.

I don't mind where the ctual code is, I know both projects prettu well in the meanwhile ;-)
It's just that I'm thinking about the logic to get this right...

I was thinking about the following... list all options. If a user clicks a addon that isn't installed, popup the Kodi default question if the addon should be installed.
That would require no special dialogs at all, just a query to the addonpath would be enough to trigger kodi with the question