Google Play's main category for this app.
App Category refers to the categories as defined by Google Play or Apple’s App Store.
References to the “app categories” within the App Analysis and App Category Analysis modules refer to these categories.
Certain categories in the Play Store are not considered main categories, e.g., Family, Android Wear, etc.
How to Use the Metrics: The category defined for an app is organized by a drop-down menu and can be used to further refine your search to display only selected app categories.