Technically, you can use more than just Pusheen stickers — you can add all different kinds of stickers to your photos when you use the app. Here’s Facebook’s example of how it works.

Cat owner recreates Pusheen stickers with his own little kittie. Miranda Larbi Published Dec 28, 2017, 11:36am | Updated Dec 12, 2019, 2:09pm.

Happily, Facebook seems to share my disdain of written language and is now actively testing stickers—its own flavor of emoji—outside of private chats and messages, the only place Pusheen is ...

When the stickers made their debut in July 2013, "Pusheen's fan base exploded overnight," said Duff, who added that the stickers are used more than 10 million times a day.

Pusheen became more popular and recognized in 2013 after Facebook stickers of the character became available. Today, there is a wide range of merchandise and content featuring the gray tabby.