Unable to answer "This shop has been vacant. What’s here now?" – house number 16: Vacant Shop – https://osm.org/node/2452343874 via StreetComplete 62.0:

Name des Ladens: "Stil! Manufaktur"

Attached photo(s):
https://streetcomplete.app/p/320123.jpg
https://streetcomplete.app/p/320124.jpg
https://streetcomplete.app/p/320125.jpg