- Support to look up district use planning to 2020 - Chau Thanh, Chau Thanh A, Phung Hiep, Vi Thuy and Nga Bay districts, My Town, Long An city. Vi Thanh, - Using Mapbox.com's base map technology on published land use plans - Determining the user's current location on land use planning map - Use 02 coordinate systems Longitude, Latitude and coordinate system VN2000 - Support map zoom function, rotate the map to the North-South axis - Find and bookmark current locations by name - Electronic compa