List points (200).
Google Maps with markers points from the list.
UTM-grid around first point of the list.
Measurement path length on the map.
If you touch a marker - a hint to the point number and its name.
When you touch the map coordinates of the location are shown,
are recorded in the recording field.
Marker current position.
GPS loggers by timers
Map cached (stored in memory).
The azimuth of the sun, the moon, at the set time for the selected place.
Save / read / add points to a file.