How much fun can you have on Halloween? Well of course, it’s limitless, so inbetween all your ghoulish games perhaps you would like to turn your friends and family into zombies and other scary hideous creatures. Well, take a look at the top 10 best selling halloween photo apps below and start downloading before the tables are turned! Zombiematic Camera Take some time this Halloween and infect your friends with love, joy and zombies. This app makes it dead simple to go from living to undead in under a minute. Guaranteed fun for hours. Turn your friends, family and even babies into zombies. All without the hassle of having to…