Unable to answer "Is this still here?" – Marjani (Hotel) – osm.org/way/129822766 via StreetComplete 58.2:

Still a hotel but with a new name: Dua

"Please add business: restaurant, Vietnamese + sushi, name=Nali, web www.nali-restaurant.de"
OSM snapshot date: 2024-08-10T16:22:45Z
POI has no name
POI types: building
#organicmaps android

"No building on the ground"
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: 2024-08-10T16:22:45Z
POI has no name
POI types: building
#organicmaps android

"This is only a sign to the restaurant, not the restaurant itself"
OSM snapshot date: 2024-08-10T16:22:45Z
POI name: Gasthof Mühlengrund
POI types: amenity-restaurant
#organicmaps android

"Checked on site Sept. 15th, 2023"
OSM snapshot date: 2023-08-14T02:00:17Z
POI name: Gasthof Salz & Pfeffer
POI types: tourism-hotel cuisine-german amenity-restaurant
#organicmaps android

"Checked on site Sept. 15th, 2023. Windows are boarded up. No sign of active business."
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: 2023-08-14T02:00:17Z
POI name: American Diner
POI types: cuisine-burger amenity-fast_food
#organicmaps android

"Nicht nur Laden, sondern auch Kräutergarten zur Besichtigung."
OSM snapshot date: 2024-08-10T16:22:45Z
POI name: Kräuterpark Altenau
POI types: shop-tea
#organicmaps android

Unable to answer "Is this still here?" – Deicke (Car Repair Shop) – osm.org/way/180173857 via StreetComplete 58.2:

Ebenfalls Auto-Point Altenau

"Dies ist kein normales Restaurant. Gekocht wird nur für Gruppen und nach Voranmeldung."
OSM snapshot date: 2024-08-10T16:22:45Z
POI name: Bürgerhaus
POI types: amenity-restaurant
#organicmaps android

Unable to answer "Is the water potable here?" – Ziehbrunnen (Water Well) – osm.org/node/1457566195 via StreetComplete 58.2:

Der Brunnen ist vergittert, nicht öffentlich zugänglich