This app is for residents of local governments who have introduced the application reception service.
You can digitally sign applications created in advance using the application reception service web application.
Please prepare in advance as the electronic signature will use My Number Card.
To read my number card, use the public personal identification service of the Japan Agency for Local Authority Information Systems (J-LIS).

【Related information】
List of smartphones compatible with My Number Card
https://www2.jpki.go.jp/prepare/pdf/nfclist.pdf
Link source
https://www.jpki.go.jp/prepare/reader_writer.html