Necrobumping with great purpose:

Quote Originally Posted by Bayohne
Q42: Will it be possible to do anything with smartphones?

A42: We are currently developing software that can also be used for FFXI and Dragon Quest 10, and we plan on making it possible to use this. In addition to this we are also planning to have features where you can browse your personal character data, as well as a large official database that you can use to check various information such as items, quests, NPC locations, and which NPCs offer quests.
Source.