Unable to answer "What are the opening hours here?" – College Store (Kiosk) – https://osm.org/node/4548352650 via StreetComplete 62.0:

Café EXIL
URL: https://www.cafe-exil.antira.info
facebook.com/CafeExilHamburg

Attached photo(s):
https://streetcomplete.app/p/319226.jpg