I followed every step to get approval on the Twitter cards, and it worked perfectly, I am already using the cards, but have only one problem:
The UTF characters used on the text are not showing correctly. I have tested the links on the preview tool, and the chars showed correctly, but now when I tweet a link, they don’t.
Here is an example:
http://jogopro.com/noticias/lancado-soul-gambler-jogo-brasileiro-financiado-atraves-do-kickstarter/