The simple answer is; yes and no.
No, it's not available Plug'n'Play. Additional information needs to be downloaded and added.
Yes, this information is available, or can be constructed by anyone for nearly any language you can think of....
This is
a thread about Navigatrix in Russian.
viewtopic.php?f=5&t=385Ask, if that doesn't answer your question. Or if you want to know how to translate some text....
viewtopic.php?f=4&t=490&p=2406&hilit=language#p2406If that's not clear enough...we can update the documentation right here.