nfcDataReaderWriter is a free Android application developed by Aok Brain Engine under the Utilities & Tools category. This app allows you to write custom data such as numbers and strings to an empty or unformatted NFC tag and read it afterward. The app uses NDEF data format for tag writing and is released for educational purposes only, ensuring that no malicious content or codes are present.

To use this app, simply follow the instructions provided within the app to create your custom tag with your desired data. The app is easy to use and user-friendly, providing a seamless experience for creating and reading custom NFC tags. With nfcDataReaderWriter, you can quickly and easily create custom NFC tags for any purpose you desire.