1. Read the offline map file (Mapsforge) or online map file in the mobile phone
2. Record GPS track during mountaineering and hiking (support gpx/kml/kmz file format)
3. Can edit GPS track record files: import/export track files, split track files, merge track files, add track marks, delete waypoints
4. View and share the content of the track record file: trip summary, altitude drop map, map photo
5. Backup/restore the track record file on the old phone
6. Easy to download/install and manage offline map files, POI files, style files, and elevation files around the world
7. Provide text file query/edit function
8. Through the csv format file, you can export/import track record file, coordinate file, check file, and set parameter file
9. Support multi-point distance measurement, which can be saved as gpx file format
10. Check list (check list) file management
11. You can report the coordinates manually, or you can automatically report the coordinates at a fixed time and at a fixed point
12. Provide reminders for off-track and approaching markers
13. Support WGS84/TWD97/TWD67 coordinate conversion
14. Weather forecast: quickly query Windy, OpenWeather weather forecast, save the file and query offline
15. CWB Rainfall Statistics: You can check the statistical data of Taiwan's rainfall stations online
16. Real-time images: You can query the real-time images of national highways, provincial roads, and scenic spots online
17. Provide placard function
18. Query the sunrise/sunset time around the world