One factor about this HC Air Hockey game by SuperRoOt that we had been told by our group of testers: Throughout testing other versions and apps like this one, SuperRoOt's version has a playing field that seemed bigger. It was, also, more user friendly. But don't take their words for it. Try it out free now! If you like this then try HC Air Hockey Ultimate!! EnvyBox.com: "HC Air Hockey Pro by SuperRoOt is one heck of a game. Lots of options for a free app. Highly recommended!