Offer help with Brazilian Portuguese

I'm Brazilian. Already visited Germany and loved it. I intend to return.Already use MP3TAG for a quite long time and I love it. I would like to know if you have it in Portuguese Language. It would like to help in the translation of MP3TAG into Portuguese
There is a quite difference between Brazilian Portuguese and Portugal Porguese. I'm used to help in translations of other softwares and would love to help in it for free.