Quy hoach đât Đồng Nai is a free Android app developed by Trân Cương under the Travel & Navigation category. It is a powerful and informative app that supports land planning and navigation in the Đồng Nai area. The app uses the map framework of Mapbox.com for land planning and provides comprehensive features for navigation.

The app supports two coordinate systems, Kinh độ and Vĩ độ, along with VN2000. It allows users to locate their current position on the land planning map and provides zoom and rotate functions. Users can search and mark current locations on the map and use the electronic compass for navigation. The app also supports custom parameter settings and allows users to save and display points and areas by project and object. Users can change the color and visibility of objects and areas and save them as KML and GPX files. The app also supports data import and exchange of saved points and areas. Overall, Quy hoach đât Đồng Nai is an excellent app for land planning and navigation in the Đồng Nai area.