Games are a little more complicated to review than apps. Maybe the story and premise are intriguing and engulfing, but the controls are horrible. Or maybe the graphics are gorgeous, but the gameplay is terribly bad. What rating do you give? You might err toward an average rating, but wouldn’t it be better if there was an easy way to specify which aspects were good and which were disappointing, for the benefit of the devs as well as other users?
Play Store game reviews start showing detailed “Feature Ratings” circles for specific aspects was written by the awesome team at Android Police.