Ratings & Reviews performance provides an overview of what users think of your app. Here are the key metrics to help you identify how your app is rated by users and how successful is your review management strategy.
> Measure the speed of a friend, pupil or opponent's serve > Simply tap once when your opponent hits the ball and again when it lands > Then move the character and ball to match the positions in real life > Press calculate speed, and then you find out how hard the ball was hit!
