Teat
ryan adhitamaa1. Email Verification
If you on another world and you can't verify your phone number or with another Telegram account ini another device, just verify with email that registered on account.
2. Encrypted Video Call
3. Tick Status
As we know, WhatsApp using 3 tick status on chat. 1 blue tick its mean sended, 2 blue tick is delivered, and 2 green tick is read. Its help us to know about chat.
3. Report Button
This feature can help telegram to get some report from anonymous user about Abuse, Terorism, etc.
4. Sticker Store (Feature or Bot)
This feature can help a new user's to download new sticker from all Creator using search feature or popular, etc
5. Group Chat Status
Maybe telegram can adopt this feature from WhatsApp. Admin or user can see who someone has been seen his chat.