Emoji Kitchen has been around for a while, and it somewhat goes unnoticed becuase of its integration into Gboard.

Gboard's Emoji Kitchen on Pixel devices makes mixing emojis easier with a new "Browse" feature. The updated tool shows all ...

I must admit I haven’t played around too much with stickers in iMessage, which could have been one way to discover this hidden emoji trick. It turns out that emojis behave like stickers ...