How to EDIT NAME in push it app?

hello so here is push it app so to change your full name here to edit name just tap and edit name and then you have here what's your name this will show up on your profile and then your like second name so that's it um and then you can easily change it but this is not your username it is not possible to change your username and push it up you can do it only like first time when in the beginning that's it so hope that is helpful