As Christmas Day nears, excitement is building for the big day in young and old alike. As PC Mike Wendland reports, a number of holiday-themed apps can make the next couple of weeks even more exciting. Christmas Countdown allows you to choose from eight beautiful backgrounds, featuring Santa and his reindeer, many Christmas trees, and even a snowman. Enjoy classic Christmas music while you watch the falling snow on the countdown screen. You can also open a new gift every day of December in your advent calendar. It’s available for iOS and Android with a premium version with additional features available for purchase. Portable North Pole lets you create and…