This is where you can change your in-game user name (nickname) as well as view your hard earned XP, trophies and crowns.  

  

Since we’re at it, why don’t we change our profile name? While the first name change is always free, take note that consecutive name changes will cost you 100 Gems.

 

 

You’ll also need to factor in the name’s availability as well as the character limit (4-12 characters long)