Last modified on 11/07/17
Information zStream collects1. zStream uses WebAuthenticationBroker for login function, and doesn't have access to password user types in login screen, all it gets out of the authorization is an access token from twitch.
2. zStream requires user's authorization of 3 permissions to access twitch account:
1). User_read: to get user's id from the access token, showed as "View your email address" on the authorization screen, although zStream never uses user's email address.
2). User_follows_edit: to check user's follow status and follow or unfollow a streamer, showed as "Manage your followed channels" on the authorization screen.
3). User_subscriptions: to check user's subscription status, showed as "view your paid subscriptions" on the authorization screen.