Fun and enjoy with your friends and family with new and Balloon Letters Sticker. How to Use and Install: -Tap the App Store button. -Tap Visit Store. -Browse the App Store and select an app or sticker pack to purchase or download. Customization of Stickers: -> Place stickers anywhere on your iMessages -> Customize your photos with stickers in chat -> Layer stickers over each other, in chat, and on photos - Scale & Rotate stickers.