Tennis Serve Technique

The content of this application is divided into 4 kinds of parts, namely:

1. Introduction to Ball and Racket

2. Serving Moves Without Ball and Racket

3. Serving Movement With Ball and Racket

4. Practice Service

Feature:

1. Access content without using online networks

2. Attractive appearance

3. The size of the application is relatively small

4. Dark Mode

5. Each content is equipped with voice dubbing.