Here is a bathroom and showers.

via StreetComplete 53.0

Attached photo(s):
https://westnordost.de/p/171061.jpg

This should be house number 1.
All house numbers in this park seem to be wrong.
This is the park owners map of the area with house numbers:
https://www.landal.com/-/media/files/sli/sli_plat.pdf?v=638628427230000000_20240925083203

Since I'm not a local, I'm not sure if the house numbers on the map are different to the official numbers so I didn't modify them myself.

All appartment numbers in the park are wrong.. This should be 209

via StreetComplete 58.2

Hier befindet sich ein öffentlicher Spielplatz.

via StreetComplete 33.1

Unable to answer "What kind of building is this?" for way/388523321 via StreetComplete 33.2:

Fehler

Fahrrad-/ Busspur

via StreetComplete 33.2

Attached photo(s):
https://westnordost.de/p/171060.jpg

Hausnummer ist hier 64 nicht 62

via StreetComplete 33.1

Hier ist ein vegetarisch/veganes Restaurant.

via StreetComplete 33.2