Privacy Policy of "Bell for Remote"
https://quizassets.netlify.app/privacy_policy/bell.txt

- Personal Information

Email address
 Used for sign-in. It is assumed that the same user is using multiple devices.

- How to use the function
Access to the network
 Used to sign in to Firebase (create a new user, sign in an existing user)
 Used to send Messaging via Firebase

Storage
 Used to record device name, token for sending Messagin, and settings

Camera, Bluetooth, Location information
 Not used.

Third party
- Firebase
 https://firebase.google.com/support/privacy