"It's open only between late June to September (see webpage), no clue how to add those opening hours to OSM. I'm also not sure if arts center is the right category."
OSM snapshot date: 2026-02-16T20:35:12Z
POI name: Middle of nowhere
POI types: amenity-arts_centre
#organicmaps android 2026.02.18-5-FDroid

"This place shut down in January 2026. There is a goodbye post on their facebook page"
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: 2025-12-14T02:16:23Z
POI name: Vähikkälän Suvipuoti
POI types: amenity-cafe
#organicmaps android 2026.02.18-5-FDroid

"Location is approximate. I have not been there in person"
OSM snapshot date: 2026-02-16T20:35:12Z
POI name: Suutari J. Paasu
POI types: craft-shoemaker
#organicmaps android 2026.02.18-5-FDroid

"Location is not exact"
OSM snapshot date: 2025-12-14T02:16:23Z
POI name: Restaurant MoMo Punavuori
POI types: amenity-restaurant
#organicmaps android 2026.02.18-5-FDroid

"bench with backrest and no armrests, about 1.8 m long. Concrete feet but not fixed in place"
OSM snapshot date: 2025-06-08T00:18:23Z
POI has no name
POI types: amenity-bench
#organicmaps android

"bench with backrest and no armrests, about 1.8 m long. Concrete feet but not fixed in place"
OSM snapshot date: 2025-06-08T00:18:23Z
POI has no name
POI types: amenity-bench
#organicmaps android