https://www.theverge.com/2017/11/13/16642604/notch-remover-app-iphone-x

If you have a burning hatred of the so-called "notch" on your new iPhone X then boy do I have good news for you. Apple just approved an app called Notch Remover despite its urging of developers to embrace the notch by not masking it:

Don't mask or call special attention to key display features. Don't attempt to hide the device's rounded corners, sensor housing, or indicator for accessing the Home screen by placing black bars at the top and bottom of the screen.