On the Intro Page said:
Search Engine Optimized: it uses the permalinks by adding the language code at the beginning of all your URI. For example the english version on http://www.domain.com/mycategory/mypost will be automatically transformed in http://www.domain.com/en/mycategory/mypost
But not really, i have check my WP translate around 3x post from Chinese to English, and i rebuild the sitemap manually ,however, it doesn't contain the translated Url on that.
So ,how does google index it?
You can check my blog : http://www.netatlantis.com