واٹس ایپ کی تیسری پارٹی کی لائبریری
This is a third-party library of WhatsApp to add more stickers to use for WhatsApp.
It's easy to use and free.
Contains a lot of rich stickers
Instructions:
1: open sticker app
2: click "add to WhatsApp"
3: Find the stickers in sticker panel in WhatsApp