ST25 NFC Tap is an Android application developed by STMicroelectronics NV that is specifically designed to handle a wide range of NFC tags. The app can be used to read, store, and manage NDEF messages such as NDEF URL, SMS, Email, vCard (including picture), AAR, and proprietary messages. It also supports NDEF Multi-records.

The app is compatible with various types of NFC tags such as ST NFC tag ST25TA (CLOUD ST25TA02K-P), dynamic NFC tag M24SR (M24SR Nucleo shield and M24SR Discovery boards), Dual Interface EEPROMs of the M24LRxx family, ST25TV series NFC tags, and the ST25DV series Dynamic NFC Tags. It allows users to retrieve tag information and offers tools functionalities such as counters, GPO control, and registers, according to the tag found. The app also supports password management, including password authentication, Tag Read only/Write only, and energy harvesting.

Overall, ST25 NFC Tap is a comprehensive NFC tag handling app that offers specific demonstration features such as FW update and image transfers. It works with specific firmware and Discovery kits and is a must-have app for anyone looking to manage and handle NFC tags effectively.