This article explains how to sign into the Gmail app for Android with your SFU Mail account.
Note: Gmail for iOS is not available as it currently does not support Modern Authentication (OAuth2). You will see "Incorrect username or password" when attempting to sign into Gmail on iOS until the vendor implements support.
To add your SFU account as a secondary mailbox on the Gmail app:
Congratulations! You've successfully set up your SFU Mail account on the Gmail app.