Ahead of iOS 10 release later today, Apple has launched the iMessage App Store. Available in iOS 10, the iMessage App Store will list apps and games for the updated iMessage app.
Right now, the app is available for iOS 10 beta users and has apps like GIF Keyboard, OpenTable, WaterMinder, Jib Jab, and more. Some of these are standalone apps, whole others are an extension of their primary iOS app.
In addition to apps and games, the iMessage App Store also houses Sticker packs. As of now, a bunch of Disney Stickers are available in the store at $1.99 apiece. Each sticker pack contains 10+ high-quality animated stickers that you can send as standalone replies or paste it on a conversation bubble.
iMessage apps will help in making the service more than just a messaging service. As with WeChat, iMessage in iOS 10 will allow one to make restaurant reservations, book a taxi, send money to their friends or family, and more.
You can find the steps on how to install apps from the iMessage App Store and use them here.