Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
This repo contains official Telegram App for Android source code.
Documentation for Telegram API is available here: http://core.telegram.org/api
Documentation for MTproto protocol is available here: http://core.telegram.org/mtproto
Beware of using dev branch and uploading it to any markets, in most cases it will work as you expecting
First of all your should take a look to src/main/java/org/telegram/messenger/BuildVars.java and fill it with correct values.
Import the root folder into your IDE (tested on Android Studio), then run project.
We moved all translations to https://www.transifex.com/projects/p/telegram/. Please use it.