Every once in a while, an app comes along that revolutionizes the Android experience in an unimaginable way. More often, though, we get apps that simply regurgitate the same thing we've seen a thousand times before but with a different colored title bar or some such minor adjustment. A happy medium between the two, however, is necessary to the advancement of the platform. Perhaps the most important type of app is one that provides the functionality that we've been using the whole time but solidly improves how it is done.