Appvetica (www.appvetica.com) has released Toplists, a Mac app that allows you to check the most popular apps in 153 countries. It lets you discover the top free and top paid iPhone, iPad and Mac apps all around the world.
Just pick the country you want to look at, select the platform and you’ll be presented with a list. To view a description just hover the mouse cursor over the app you’re interested. To open a link to the app just double click.
Toplists requires OS X 10.7. It costs US$1.99 and is available worldwide exclusively through the Mac App Store in the Reference category.