Unable to answer "Are these opening hours still correct?" – Massimo Villari Feinkost & Catering (Delicatessen) – https://osm.org/node/4596733559 via StreetComplete 59.2:

Main Nail Beauty
Mo-Fr 9:30-19:00
SA 9:30-17:00

Attached photo(s):
https://westnordost.de/p/246337.jpg