Final Fantasy XIV: Libra Eorzea Hit App Store
Final Fantasy XIV: Libra Eorzea is the official companion app for Final Fantasy XIV: A Realm Reborn.
The app features comprehensive game database which can be accessed offline, and a character profile viewer for reviewing gear and attributes on the go. The profile viewer requires an online connection and an account.
The studio promises that the Android version will come soon.
Source: Libra Eorzea Announcement