General Thai language on a Samsung Galaxy - or any android for that matter ?

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http://androidforums.com – Hi A friend of mine bought his Thai wife a Samsung Galaxy Ace, and went into the locale/language setting to change it to Thai, but there was no option. Does anyone know if such an option exists - is there a language pack download ? I've put on a new keyboard and downloaded a pack to be able to type in that language, but we want the whole phone to display Thai. Thanks to anyone who can help. (General)