This software integrates high-definition satellite images, geological maps and electronic navigation maps, and supports adding custom maps. You know, maps such as songs and map frames can be moved and used, and GPS tracks will be recorded. There are also free tools such as built-in compass and geomantic compass (this is a vip function in Ovi), which supports importing kml and shp files, viewing administrative boundaries, viewing altitude information and downloading offline maps. It can collect complex field survey data based on templated forms, and at the same time, it can export the collected data to GIS software for analysis and management, which supports extended customization development and can be used for rapid customization development of industrial application systems.