【實用教育app】Tennis Accelerometer|最夯免費app-綠色工廠好玩App

A tennis coach costs 50$ per hour.We have made for you a tennis coach for relatively little money for a long time.Tennis Accelerometer is your tennis coach.Take your iPhone or iPod as a racket and make a stroke.Program will compare the results with the basic strokes of a tennis coach.You can learn:Forehand,Backhand,Forehand Overhead,Backhand Overhead,Forehand Volley,Backhand Volley,ServeTake your iPhone or iPod as a racket, wait in start position for 5 seconds, make a stroke, and you will see : "Good", "Very good" or "Once more, please".The program draws the results and you can compare them, too.For right- and left-handed.Have a good time !