• http://telegram.org/android
• https://telegram.org/dl/android/apk
• https://t.me/TAndroidAPK

OR

• https://play.google.com/store/apps/details?id=org.telegram.messenger

-http://telegram.org/blog/dynamic-video-quality-and-more
- much faster rewind back by long tap on cached videos
- fix playback of videos with streaming setting disabled
- show cached video qualities in save to gallery view
- show resolution when cached original is selected by auto
- optimized chat scrolling of video with qualities
- fix lag when conversion is done in scheduled messages
- bot ad emojis support, translation button conflict fix
- better quality selection for a thumb in chats (lowest bitrate)
- fix bot ad offset
- optimized loading featured sticker packs (only when on screen)
- strings fixes
- rewind fixes