I’ve signed up with GitHub account but I didn’t get a username to my freecodecamp account.
Are you saying you don’t have a username on github or FCC? Because on FCC you have the username of ibobo7. And I assume that this is you on github:
This is your FCC account:
I’m trying to understand what you thought you should get that you feel you didn’t get.
Thank you for replying.
I was having a problem with my browser “Firefox” on Android.
Good point - I sometimes forget that they are separate. 
@ibobo7 is everything sorted out now?
Yes, Thank you all for your answers.