Suddenly I started to see all apps auf Deutsch:
The cause was by mistake selecting additional language in Properties -> Internationalization (Österreichisches Deutsch) and the system added it to the list as language #1.
Those programs that are localized, picked it up ….
Here is how that list looks like after reorder :-) I care only for the first 11 languages anyway ;-)
Author Miro Adamy
License (c) 2006-2020 Miro Adamy