For tourism, travel, hiking.
Maintaining and displaying objects, notes, photos on the map.
Also on the map:
  - UTM grid (40x40km);
  - measurement of the length of the path;
  - taking the coordinates.
GPS loggers and display them on the map.
 
Google maps and offline atlases.
Atlases for offline use in the *.mbtiles format can be created in SAS Planet, MobAC.
With the ability to dynamically change atlases.
With the choice of the atlas folder (including on the SD card).