hello
i wanted to know if my site has an option for the user to change the language of the pages ( english / portuguese).

what would be the best way to submit it in google ?

i mean only in google.com ? or .com.br also

is google readt the content and if it finds another laguage it automaticly conects to the .com.br

thanks

*another question
some times i see in google after u submit a search the titels r :
site name - shourt discription

how can i add it also