Calculate the area of land using a map .
To point to the vertex using the GPS.
Or to point to the point that becomes the apex with a long press .
3 -point or more points can be used to fill in the area calculation and note if there is .
Available to farmland management and the planned construction site.
You can import .kml(Polygon) / .gpx(WayPoint) / .geojson(Polygon)
You can export .geojson(Polygon)