I've had this screen protector since day one of launch for phone. Best one I've had since owning a smart. It's a little pricey for some but well worth it and works well on the phone and you hardly know it is even on the phone.
ZAGG - InvisibleSHIELD HD
ZAGG InvisibleSHIELD HD Screen Protector for Samsung Galaxy S 4 Mobile Phones BHDSAMGALS4S - Best Buy