How to add friends by username in GAS app?

Heroes guys up and if you tap on inbox in top left tap on add in the top left here you can actually search for for friends so yeah you can just do that I'm not sure if yeah if these are friends or friends or uh these are just you know just people by usernames or I'm not sure that these are people from your school or friends or friends I think yeah actually you can just search uh by people by exact username so something like that and then you can just add some person like this and then you can see number of flames uh you can then report user you can block user and then you can see the grade and yeah so yeah if you know someone's username that's basically how it works so you can just search someone by username and add them as friend