Are there Stickers on Wizz app?

other stickers on this app so as you can see some profiles actually do have stickers and I don't know how to get those so if you have any idea please leave any comments um yeah because it's possible to add text so as you can see here is for example some profiles so you can add some text prompts um you can do that you can um add some music add some additional text but how to add stickers do you need to upgrade or what's the process