Droid UPnP Port Mapper is a free Android utility developed by wangchuyun that allows users to discover Internet Gateway Devices (Routers) on their WiFi network and view or modify mapped ports on the router. This simple yet efficient tool uses UPnP to detect the routers and provides a user-friendly interface to manage port mapping.

With Droid UPnP Port Mapper, users can easily view all the ports mapped on their router and delete or modify them as per their requirements. The app also allows users to add new port mappings and specify the protocol type, internal and external port, and the device IP address. The port mapping information is presented in a well-organized manner, making it easy for users to understand and manage their network settings.

Overall, Droid UPnP Port Mapper is a reliable and handy tool for users who want to manage their port mappings on the go. It does not require any technical knowledge and is easy to use. The app is available for free on the Google Play Store and is definitely worth a try.