"Vor Ort ist Passwortgeschütztes WLAN vorhanden. Passwort ist für Besucher im Museum ausgehändigt "
OSM snapshot date: 2023-06-02T17:16:21Z
POI name: Eiszeitmuseum
POI types: wheelchair-limited tourism-museum internet_access-wlan
#organicmaps

I think the name Landhus is not expressive as it is actually "FEWO Agentur Hohwacht" https://www.fewoagentur-hohwacht.de/de/

Hausnummern der Siedlung fehlen. Achtung: Eingang zur Straße ist nur für Anlieger frei.

I think this is called K Kiosk not K snack

"ist nun ulm-teststation.de COVID Test"
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2022-08-16T07:51:20Z
POI name: Lehmanns
POI types: wheelchair-yes shop-books
#organicmaps

"ist nun ulm-teststation.de COVID Test"
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2022-08-16T07:51:20Z
POI name: Lehmanns
POI types: wheelchair-yes shop-books
#organicmaps

Moxy Hotel has different Telephone number on Apple Maps:

+49 6196 7853009 The correct number should be verified

Toilet is accessible from here too

It seems as if Endokrinologikum was added twice here