How We Feel app - how to change profile picture or your name?

Here is how we fill app, so how to change your profile picture, so just tap on your settings in top left and then just add a display name, so you can change your display name and change your profile picture as well, so then you can just upload it from photos for example, and then that can be your image and then you can just change your friend code, which okay so you just tap in it and it's just being updated, so that's the idea and then yeah you only need an account in this app if you want to use it with friends and then you wanna send invite your friends and share your feelings with them.