IP Viewer is a free Android application developed by Magic Len. Its main function is to show you the public IP of your mobile device and allow you to share it with others. The app also includes a ping tool, which can be used to test the stability and speed of your network connection.

With IP Viewer, you can quickly and easily view your public IP address without having to navigate through menus or settings. The ping tool is a useful addition, allowing you to check your network connection's performance in real-time.

Overall, IP Viewer is a simple and straightforward app that serves its purpose well. If you're looking for an easy way to view and share your public IP on your Android device, this app is worth checking out.