Telegram Messenger is more than an instant messaging application; it’s a real social network with the capabilities and features we’ve come to expect. For example, if you need a notification feature in your application, integrating with the Telegram cloud allows you to get this feature very quickly and be in touch with all Telegram users.
Visit: https://blogs.embarcadero.com/how-to-make-a-windows-and-mobile-telegram-messenger-app/