"What should this be? Whole area is under construction and development and should be mapped."
POI has no name
POI types: man_made-works
OSM data version: 2018-12-13T07:12:02Z
#mapsme

"there is no gas station at the Street. there is now the shopping center which should be mapped "
The place has gone or never existed. This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground.
POI has no name
POI types: amenity-fuel
OSM data version: 2018-12-13T07:12:02Z
#mapsme

"Dieser Durchgang (Drehtür) ist nur vom Messegelände in Richtung S-Bahn geöffnet. Nicht andersherum."
POI has no name
POI types: barrier-entrance
OSM data version: 2018-09-11T19:10:03Z
#mapsme

"Stairs lead from this corner at the college to the cathedral. Please add."
POI has no name
POI types: highway-residential
OSM data version: 2018-12-13T07:12:02Z
#mapsme

"Name of the street: Lady MacCulum Drive"
POI has no name
POI types: highway-tertiary
OSM data version: 2018-10-30T22:25:02Z
#mapsme

"There is no street leading east. This is a simple corner in the road with a guest house at the corner."
POI has no name
POI types: highway-residential
OSM data version: 2018-10-30T22:25:02Z
#mapsme

"That dead end street goes a bit further. At the end, there is a stairway to the right leading to the upper street."
POI has no name
POI types: highway-service
OSM data version: 2018-10-30T22:25:02Z
#mapsme