A double map where two different types of maps are displayed on one screen.See a spot in a strange town.At the same time you can see what the surroundings are.
Three main applications. 1. A map app that has two world maps on the same screen and can be enlarged and reduced separately.
2. A compass map app that turns the map itself in response to the geomagnetism and shows the north. 3. A 2-point map that connects you with a red line along the road when you enter the names of two places in the countries beyond the sea. App.
