Passport

The passport is an app on the NookPhone in. It contains information about the player including the player's name, photo, birthday, and title. The player may also leave a comment (24 character limit) which appears on their passport as well. The fruit and name of the player's island is also listed on the Passport.

Titles
Titles are unlocked by collecting stamps in the Nook Miles app, though some are unlocked by default.