Anti-Fingerprint Coatings on screens are useful anywhere that a fingerprint or similar mark may impair the use of a screen. 

What is Anti-Fingerprint Cover Glass

Anti-fingerprint touch screen applied AF coatings , improving usability and visibility.  Anti-Fingerprint Screens can help reduce the appearance and intrusiveness of fingerprints or oils on the screen, and many anti-fingerprint Screens are also hydrophobic (water resistant), and resistant to scratches and abrasions.