Brighten up your friends' days with these unique Hippo emojis! How to add these stickers to Whatsapp: Download and open this app. Tap on the pack you wish to add, then tap "ADD TO WHATSAPP" and confirm. Open Whatsapp and go to the chat, tap on emoji icon on the left and then tap the sticker icon (bottom right). You will see a new sticker icon (little hippo) at the bottom! Created by Milada Milli aka černá ovec. Website: https://www.cernaovec.cz/hippo-stickers/