WAStickerApps - Thanks Giving Black Friday Stickers added. A new way to express yourself with stickers. Stickers help you share your feelings in a way that you can't always express with words. To add and use stickers: 1. Simply tap the stickers you like and add it. 2. Open any chat or group in wats App and tap emoji icon - WAStickerApps. 3. Tap sticker icon in the bottom.