Unable to answer "What are the opening hours here?" – Johnny's (Restaurant) – https://osm.org/way/260224781 via StreetComplete 57.2:

building is gone

Attached photo(s):
https://westnordost.de/p/208220.jpg
https://westnordost.de/p/208221.jpg
https://westnordost.de/p/208222.jpg