Yes, it is possible to transfer your game data to another device by following the steps below.

(1) On your current device, start the app and go to “Menu” and choose “Change Device.” Then set a password.

(2) When starting the app on your new device select “Transfer save data from a different device” and enter your user name and password you set in step (1).

*If you are unable to set a new password on your old device, please contact the Square Enix Support Center.