Unable to answer "This shop has been vacant. What’s here now?" – Lotto Köhler (Vacant Shop) – https://osm.org/way/704825963 via StreetComplete 59.2:

Concept Store FRED
Offen Mo-Sa 10-18 Uhr

Attached photo(s):
https://westnordost.de/p/246216.jpg
https://westnordost.de/p/246217.jpg