Hi Juan,
we got the message from Ioanna Kanellopoulou that there are translations for Greek (gr) and for Lietuvių (lt) in AMOS. I found that there are some more. Not all strings are translated in all language packs but it's a real start for the other countries. Please integrate the new language packs into the next release.
Ralf

• Arabic (ar)
• Basque (eu)
• Bengali (bn)
• Bulgarian (bg)
• Catalan (ca)
• Chinese (Simplified) (zh_cn)
• Chinese (Traditional/Big5) (zh_tw)
• Czech (cs)
• Dansk (da)
• Dutch (nl)
• French (fr)
• German (de)
• Greek (el)
• Hebrew (he)
• Hungarian (hu)
• Italian (it)
• Japanese (ja)
• Lietuvių (lt)
• Norwegian (no)
• Persian (fa)
• Polish (pl)
• Portuguese (Brazil) (pt_br)
• Português (pt)
• Romanian (ro)
• Russian (ru)
• Spanish (International) (es)
• Spanish - Mexico (es_mx)
• Swedish (sv)
• Turkish (tr)
• Ukrainian (uk)