App Builder: Remove app icon image not working

Trying to remove the Icon image as it is not showing on the app on my mobile and it wont remove.

Also can I change Fonts in the app builder?

We would like to apologize for any inconvenience. Using Google Chrome on a Windows 10 desktop I was not able to reproduce the issue you have described.

I have cleared your account's form cache. Kindly check if that helped solve the issue you are having. Otherwise, please feel free to let us know and give us more details about the device and/or web browser you are using.

You can also try removing the icon of the App you are creating using another device or browser that you have available.