PortDroid is a free application that can be used by both network administrators and security experts to analyze the security of their network and to detect any open ports on their devices. It is one of the best and most popular network analysis tools available on the Android platform.

It can scan both local and remote networks, it is useful for Android devices and it is available in both free and paid versions.

This tool can help you find all open TCP ports on your device and can be used to analyze different protocols such as HTTP, HTTPS, FTP, SMB, and more. It can also help you discover web services, and it can be used to find out who's on your Wi-Fi network.