Well, this is an interesting find. Taking a look at the careers section of the European SE website, we found out today that they are hiring for English/French/Italian/German/Spanish Localisation Testers. Originally SE had hinted that a Spanish language version of the game may be possible if their was enough demand for it. Now it appears that this is a concrete reality.
Reference link: http://www.square-enix.com/eu/en/jobs/
Kimiko loves pina coladas and getting caught in the rain. On her free time, she wrestles Bogies by moonlight. She also spends 3 years of her life writing literature on 
This Spanish localization would really help U.S. fans like me who want a fun and exciting way to brush up our Spanish language skills. If this pans out, just remember to mind the differences in dialects and cultures among different countries when choosing a linkshell.