RFID Tools is an Android app developed by RFID Group that serves as a research tool in the field of RFID. It includes the proxmark3 universal client, which is sourced from the latest RRG Iceman repository. This app allows you to connect your Proxmark 3 RDV4.0 through Bluetooth or USB-OTG. In the future, it will be compatible with more devices.

This useful app is open source and can be found on GitHub. The app's developers encourage users to join their project. With the RFID Tools app, you can easily conduct research in the field of RFID and connect your Proxmark 3 RDV4.0 to your Android device without any hassle.