A free app for Android, by Paessler AG.

PRTG for Android is a powerful interface to the PRTG Network Monitor.

PRTG for Android is a free and easy-to-use tool that provides access to the data transmitted through your Android device.

You can view information about the connection, such as the IP address, the port, the network speed, etc. You can also see the data transmitted in the last 30 days, as well as the data received, sent, and missed calls.

You can view the details of each packet, such as the size, the time, etc. You can also see the details of the calls that were made.

PRTG for Android supports all mobile data carriers, including LTE, Wi-Fi, 3G, and 2G.