Hello @Газизьян Тимербаев,
Welcome to Atlassian Community!
I searched internally for information about Stickers when using Trello on Android and the only information I found is that it wasn't a priority.
On the Trello board for Android where there are bugs, features and support questions, I didn't find a feature suggesting that, so please, check the card below that contains the instructions to create a new feature:
If you had to thrive a new habit during a lockdown, what would it be? Trello
Connect with like-minded Atlassian users at free events near you!Find an event
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no Community Events near you at the moment.Host an event