Unable to answer "Who is allowed to use this playground?" for https://osm.org/node/2024823373 via StreetComplete 55.0:

Nur die die den Schlüssel haben

Attached photo(s):
https://westnordost.de/p/184713.jpg
https://westnordost.de/p/184714.jpg
https://westnordost.de/p/184715.jpg