This UNOFFICIAL version has no any additional features only localization supports.
If your language already supported by official one, you have no reason to try this app.
Otherwise, you are using following languages, this app has built-in support :)
Chinese, Hebrew, Japanese
If you wanna make your native language have built-in supported by this application, feel free to let me know :)
Telegram is a messaging app with a focus on speed and security.
About Telegreat Project: https://t.me/Telegreat
Chat Group: https://t.me/TelegreatChat