Brazilian here, and I can confirm this game piqued my interest and got me hooked. If it weren't for the constant crashes and AI mishaps, it might become really popular among Brazilian gamers. Well, at least the ones that are interested in a more strategic experience.
On the other hand, I really don't see the average Fifa fan (the kind that literally only ever plays soccer video games) getting hooked on a turn-based RPG of all things. Maybe it'd work well within a very specific niche of the Brazilian gamer base, as in people who are into both RPGs and soccer games.