I'm super excited about this... it feels like the strangest thing I've ever licensed my work for...
Apple released a new operating system for iPhone, iPad, etc., iOS 10, and part of it includes apps within iMessage. There's a new Apps button:
You can buy stickers and add them to your messages, and even put them on top of your messages, like this:
Here's what the whole collection looks like:
Get them in the App store here. You can also find them in the App Store by doing a search for "Marc Johns". Not sure what the price is in other countries.