Google's fun-filled booth at Mobile World Congress means to celebrate the more than tripling of the available apps in the Android Market since last year, currently at more than 450,000. In comparison, Apple's iOS mobile platform offers more than 500,000 applications. Google goes on to say there are more than one billion apps downloaded by Android users every month as well. More than 800 unique devices run on Android, and the software giant brought more than 100 to display at the show.