A free program for Android, by MDevs.
This is a very useful app. It can be used for many purposes. It allows you to compare many different maps, which makes it very easy to find differences.
The first thing that you should do is download the application. After installation, you can start using it right away. The first thing that you need to do is take a picture of the area that you want to analyze. The easiest way to do this is to use the built-in function. The second thing is that you need to download the Maps Explorer application. After installation, you can use it right away. You will be able to see your area on the map.