Unable to answer "What are the opening hours of "Die Ballkönigin"?" for node/3948984305 via StreetComplete 2.1:

Nicht auffindbar

Unable to answer "Do these toilets require a fee?" for node/4247309189 via StreetComplete:

private toilettes

Dönerladen, IIRC "Hamburger-Berg-Grill"

"geschlossen. stand 11.8."
The place has gone or never existed. This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground.
POI name: Cafe Absurd
POI types: building internet_access-wlan wheelchair-no amenity-cafe
OSM data version: 2017-07-28T09:42:02Z
#mapsme

"geschlossen"
The place has gone or never existed. This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground.
POI name: Tankstelle
POI types: amenity-pub
OSM data version: 2017-07-03T17:28:05Z
#mapsme

Missing House: Hein-Hoyer-Str. 61

leerstehend, Bauzäune, soll angeblich abgerissen werden.

"kiezbohne Cafe"
POI has no name
POI types: building
OSM data version: 2017-06-09T16:24:09Z
#mapsme

"Stadtrad Emilienstr. / Fruchtallee"
POI has no name
POI types: amenity-bicycle_rental
OSM data version: 2017-05-11T13:22:09Z
#mapsme