Starting from version 4.0 Blabber doesn't support previous versions.
Strongly recommend update to this version.
Now Blabber can translate messages from Telegram! Just choose friend's language at panel in the Chat. Your language on the right, language of your friend - on the left

Speech translation is realised for 23 languages and chat translation - for 101 languages in Blabber Messenger.

• Chat without barriers with anyone on the Earth (101 languages included)
• You don’t need to type anymore! Use microphone!
• Speech to speech translation (voice translation/instant translator ) for 23 languages
• Interface localization (16 languages)
• Telegram compatible
• Support translation in Group Chat and Bots
• Group-chats up to 5000 contacts
• Secret chats
• Attaching big files up to 1 Gb (.doc, .zip, etc)
• Emoji smiles, stickers

Languages of speech translation:
English, French, German, Italian, Russian, Spanish, Portuguese (Brazil), Chinese, Japanese, Korean, Hindi, Indonesian, Thai, Vietnamese, Turkish, Danish, Dutch, Polish, Czech, Swedish, Norwegian, Hungarian, Finnish

Languages of chat translation:
Afrikaans, Albanian, Amharic, Arabic, Armenian, Azerbaijani, Basque, Belarusian, Bengali, Bosnian, Bulgarian, Catalan, Cebuano, Chichewa, Chinese (Simplified), Chinese (Traditional), Corsican, Croatian, Czech, Danish, Dutch, English, Esperanto, Estonian, Filipino, Finnish, French, Frisian, Galician, Georgian, German, Greek, Gujarati, Haitian Creole, Hausa, Hawaiian, Hebrew, Hindi, Hmong, Hungarian, Icelandic, Igbo, Indonesian, Irish, Italian, Japanese, Javanese, Kannada, Kazakh, Korean, Kurdish (Kurmanji), Kyrgyz, Lao, Latin, Latvian, Lithuanian, Luxembourgish, Macedonian, Malagasy, Malay, Malayalam, Maltese, Maori, Marathi, Mongolian, Nepali, Norwegian, Pashto, Persian, Polish, Portuguese, Punjabi, Romanian, Russian, Samoan, Scots Gaelic, Serbian, Sesotho, Shona, Sindhi, Sinhala, Slovak, Slovenian, Somali, Spanish, Sundanese, Swahili, Swedish, Tajik, Tamil, Telugu, Thai, Turkish, Ukrainian, Urdu, Uzbek, Vietnamese, Welsh, Xhosa, Yiddish, Yoruba, Zulu

Based on Telegram (source code: https://github.com/DrKLO/Telegram)