Active: February 2, 2017 7:00 AM to February 15, 2017 at 6:59 AM UTC.
From Mystery of the Emblem:
From The Binding Blade:
From The Blazing Blade:
During the event a special daily log-in bonus of 2 Orbs was made available.
February 14 Announcement
The App-Release Bonus period was extended to March 14, 2017 at 6:59 AM UTC.