WAStickerApps. The Best Whats Stickers Pack. Download now for FREE! You can use these stickers in the latest version of WhatAp. End them to your friends and family. How to use: open this app. Tap on 'ADD TO WHATS'. Confirm your action. Open Whats and go to a chat. Tap on the Emoji icon. You will see a new sticker icon at the bottom and can now use this sticker pack.