The best thing about Android smartphones are all the apps that you can download. Unfortunately, it can also be really frustrating to find the best app in any one category. Who has time to try 50 bazillion calendar apps to find the best one? Luckily, we might have a new solution to that problem because AppStoreHQ just launched an app called AppDuel. This app will allow people to vote on similar apps to choose the best one. Some examples are Facebook vs. Twitter, Flixster vs IMDB and Google Maps vs Google Earth. Hopefully it will catch on…