Wow, you really went all in for Brazil! :o My only concern for somewhere like Brazil is that it would be too big to do it justice in a Pokemon region. I already get that feeling with France and Kalos and Brazil is quite a bit larger than France. If they were to make a truly huge Pokemon region that could be really cool, but I doubt they'll make one much bigger than anything they've done before. As for what I'd like...
Rumoured to be used for Sun/Moon anyway. But more importantly I'm a big fan of both tropical weather and having multiple islands and travelling between them. I'm a total Hoenn fanbear so would love something similar, except with more islands and most importantly... MORE WATER!
Bet Shiken that COD would outsell Battlefield in 2018. http://gamrconnect.vgchartz.com/post.php?id=8749702