Telegram is a popular social messaging app mostly used for group chat and secured texting. They updated their Windows Phone 8.1 app with a new Universal App like design which indicates upcoming universal app from them. There are some bugs like not being able to forward messages and UI-UX glitches. You can download the app from the given link below.
Developer: Telegram Messenger LLP
Just a below average guy trying to prove a point through writing and creating.