1. Point, line and surface drawing function
2. Set map function, integrate domestic open WMTS layers, such as a century-old historical map of the Academia Sinica, Land Surveying and Mapping Center, Lu map, Google layer, etc.
3. Layer correction function, unique innovative function
4. Coordinate positioning, TWD97 119/121, latitude and longitude
5. House address location
6. Not all cadastral use partitions
7. AR Street View to see the outline