بَٰـُـٰٓحَٰـُـٰٓرآلَٰـُـٰٓمَٰـُـٰٓڪَٰـُـٰٓآرمَٰ

You don’t have to start from scratch to make Telegram apps. TDLib (Telegram Database Library) makes it easy to develop feature-rich and secure apps. It takes care of local data storage, network implementation details, and encryption so that you can focus on design and interfaces. See also: How to delete a Telegram account Customize Telegram App Icons

Telegram Saved Files Appearance section in Telegram In Telegram, you can adjust the color and background. If you like, you can even set up your own custom theme to make Telegram look exactly the way you like. You can also customize your chat background image in “Chat Background” in Chat Settings.

System Default (Android) or System (iOS): Matches the theme to your operating system's current mode. While all Telegram chats are client-server encrypted, default chats are still stored on Telegram's servers. This conveniently allows you to access your messages on multiple devices, but it might raise privacy concerns. The option to automatically save media to Gallery is back with renewed vigor: saving media can now be enabled and disabled separately for chats with users, groups or channels. Customize Telegram App Icon

If you're verified on at least two social networks, you can verify your group, channel or bot. Just like WhatsApp, Telegram also allows you to share live location with your contacts. This is a very handy feature that I personally use on a regular basis. To share your live location with someone, first open the chat and tap on the attachment button. Now, tap on location.