To use MojiLaLa Unlimited, you can follow these simple steps

1) Open or start a conversation in iMessage
2) Tap the “App” button to the left of the message field.
3) Tap the button which has four ovals on the bottom left of the screen to view your installed iMessage apps.
3 a) If you don’t see the app in iMessage apps it’s because “automatically add iMessage Apps” is not enabled. Please tap the big “Plus” store button to the store sign.
3 b) Tap the “Manage” app section located top right.
3 c) Tap the “Automatically Add Apps” On/Off toggle to enable the app OR you can just enable the MojiLaLa Unlimited.
4) Tap 20000 Stickers icon to open.