1. Move the menu button from the far top right side of the screen to the top middle of the screen.
2. Get rid of the tap to move up or down and replace with a follow the users finger which is more responsive.
3. Apply haptics or vibrational feedback to when the ball gets stroked by all players.
4. Allow user to replace the image of where the game is played, user can upload a photo of a tennis court and then the game would be played on that, for example.
5. Allow users to switch from a paddle or racket or other items instead of a vertical line.
6. Change the start of the game to a coin toss, winner serves first.
7. Apply tennis point structure to the game, point is earned after 15, 30, 45, 60 and then 1 point is earned
8. Allow user to select their country and then the game will challenge the user from other countries giving the game a real sense of competition.
9. Once the user places the paddle to where the ball is going to land, allow the user to then tap on the screen to engage a power strike.
10. Your welcome!