Version 3.1.7

Improvement in Contours Module: Add option to create polygon from closed contour lines.

Version 3.1.2

Add route direction arrow.
Add line and polygon direction arrow on Buffer/Overlay Module.
Add edit route (change name, color, line width).
Add Route List module.
Improvements in buffering on Map Coordinates module.
Add Find Point on main pages.
Fix bugs in older android versions.

Version 3.1.0

Merge Overlay & Buffering module into one GIS module.

Version 3.0.7

Add Copy, Move, Rotate and Mirror object (line and polygon) on Area/Distance Module.
Improved search data on Data List Module.

Version 3.0.6

Add TIN option on Contours Module.
Add Cut and Fill volume calculation on DTM (TIN) Module.
Add Surface Elevation Profile on DTM (TIN) Module.

Version 3.0.5

Add Split Polyline Intersection.
Add Split Polyline.

Version 3.0.3

Add Surface Elevation.
Add Concave Hull on Auto Line / Polygon From Random Points tools.