At this time the ability to Edit your Handle via Web is unavailable however, can be viewed.
At this time the ability to Edit your Handle via Android is unavailable however, can be viewed.
1. Tap 
More at the bottom right corner
2. Tap 
Settings at the top left corner
3. Tap 
My Account
4. Tap Username. Notice a username will be auto populated based on the name you have entered under the name tab.
5. Edit your Handle to your desired name keeping in mind that your Handle must be between 4-16 characters, and can only consist of letters, numbers and underscores.