Access iMessage appsTap the App Store icon beside the chat field to see your most recently used iMessage app.
Find new stickersFirst tap the App Store icon, then tap the 4-ovals icon in the lower left to bring up the app drawer. Then, tap the + icon to access the Store.
Use stickers in chatTap to send, or touch and hold to put stickers on top of a bubble, other stickers, photos, and videos.
iPhone & iPad users (iOS 10)Transform your chat with animated stickers! Earlier iOS versions and other platforms will see static stickers in chat.