New Jersey: William Hill sports betting app hits iOS David Danzis, Press of Atlantic City · September 28, 2018 at 3:06 pm The William Hill New Jersey sports betting app is now available on mobile devices with either Android or iOS operating platforms. Prior to Friday’s announcement, New Jersey-based mobile sports gamblers could only access the app on Android devices. “We are excited that our Mobile Sports app is now available for all mobile devices in New Jersey,” William Hill US Vice President of Marketing and Public Relations Michael Grodsky said. “The app gives our customers in New Jersey the ability to access our full sports betting menu at their convenience.”