- There is a discussion in the Kodular community Problem with NFC - #38 by appsbeheerder - Bugs - Kodular Community Read the part at the end of the thread.
To use App Inventor 2 for your purposes, you will probably have to use an extension unless the 'solution' described in the thread regarding unsupported tags works for you. Presently no extension exists.
What is possible with MIT and NFC tags:
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NFC Cup Game for AI2
Note that: IMPORTANT: Applications built with the NFC component will not respond to tags while in live development mode. To test your application, you must build your app and download the APK to your phone . -
NFC read/ write tags between phones not working (.aia file attached)