Dr.Billiard's lesson master app for iPhone and iPad

Features
1. This is a billiards tutorial app that specializes in billiards lessons with positions, explanations, and convenient functions for improving billiards skills.
2. Billiards posture, theory, system, and even the actual solutions of professional players will be informed.
3. It is easy to understand by providing hint images, demonstration videos, and commentary videos along with accurate layout drawings, so it is helpful for everyone from beginners to professional players.
4. Systematically manage your billiards practice to help you grow quickly.