Hello
Please see following IC ST25DVxxx which offer a fast transfer mode between the RF and contact worlds, thanks to a 256 bytes volatile buffer (also called Mailbox).
https://www.st.com/en/nfc/st25dv-i2c-series-dynamic-nfc-tags.html?querycriteria=productId=SS1950
We provide also a reference implementation of some Android use cases which demonstrates FW update, Pictures transfer or simple data exchange.
https://www.st.com/content/st_com/en/products/embedded-software/st25-nfc-rfid-software/stsw-st25001.html
The ST25DV-DISCOVERY is a demonstration kit to evaluate the features and capabilities of the ST25DV series. It is based on the NFC ST25DV04K device embedded on a daughter card using a Class 5 antenna and a STM32 processor driving a mother board. A dedicated software stored in the Flash memory is provided.
https://www.st.com/content/st_com/en/products/evaluation-tools/product-evaluation-tools/st25-nfc-rfid-eval-tools/st25-nfc-rfid-eval-boards/st25dv-discovery.html
Hope we have provided main keys inputs regarding your request.