Android
You can get the latest version of CellMapper from the Google Play Store.
Windows 10 Mobile
You can get the latest version of App: here
Windows Mobile
The latest version, 0.4.5, is available here.
Note: This version of the app is no longer actively maintained
BlackBerry OS
The latest version, 0.1.3, is available here.
Note: This version of the app is no longer actively maintained