Test yourself and learn some more with this challenging game! Tilt your device to move the star over the hidden tennis players picture to reveal who it is before the star freezes. Earn coins for every 10 correct players, use these coins to unfreeze the star. Guess incorrectly and lose a tennis ball, get 3 wrong and its game over! This app offers in-app purchase where you can buy 250 coins to use to unfreeze the star.