Ban đô QH SDĐ Đăk Lăk is a free Android app for land use planning in the Đăk Lăk province. The app utilizes the Mapbox.com map platform for land use planning and offers users the ability to determine their current location on the land use planning map. The app supports two coordinate systems, Kinh độ, Vĩ độ and VN2000. Users can zoom in and out of the map, rotate it, and search for and save locations by name. The app also includes an electronic compass (only available on devices with touch chips), and allows users to customize conversion parameters. Additionally, users can save and display points, areas, and objects on the map by project or object type, change the color and visibility of objects, and measure distances and areas. The app also supports GPS navigation to saved locations, and allows users to draw survey lines over time, display Mapbox.com map styles, draw points and polygons, and export data to .kml and .gpx files. The app also supports importing data from .gpx files and exchanging saved point data. The app also includes conversion tools between different coordinate systems.