If you’re a Twitch user on mobile, there are a few things you can do to change your username. First, open the Twitch app and sign in. Then, under “Accounts,” select “My Account.” In the “Name” field, enter a new name for yourself. If you’re using an email address, enter it here too. Finally, click on the “Change Username” button. Now that you’ve changed your username on mobile, be sure to check it in the app and make sure it’s updated!