To change Avatar and Nickname, you should go to Settings⚙️

By clicking ⬅️'To The Left' and 'To The Right'➡️arrows, find the avatar you like the most.

To change your Nickname, click on the Edit sign, and you will be given one of the standard in-game Nicknames. However, you can enter your own. To do this, click on the Nickname field✍️and enter your Nickname.

After the settings, click Play and start winning🍀