Google Voice Search is already available in 29 languages and today, the entry from official android blog announces that Google Voice Search is now available for 13 new languages, they are:
Basque
Bulgarian
Catalan
European Portuguese
Finnish
Galician
Hungarian
Icelandic
Norwegian
Romanian
Serbian
Slovak
Swedish
Each new language usually requires that we initially collect hundreds of
thousands of utterances from volunteers and, although we’ve been
working on speech recognition for several years, adding these new
languages led our engineers...