Your username will always be the full email address you used when you registered for your Fandor account.
If you registered for an account through the Android app, your username will be the email that is associated with your Google Play account.
If you registered for an account through iTunes, your username will be the email that is associated with your iTunes account.
If you registered through your Roku, your username will be the username may be the same email that is associated with your Roku account.
If you need assistance recovering your username you can always contact us at support@fandor.com.