1. Open Menu
   1. User Operation
2. Title
   1. Player Window
   2. Content
   3. Sync with other
   4. User Operation
   5. Highlight&Mark
3. Chapter
   1. Player Window
   2. Content
   3. Sync with other
   4. User Operation
   5. Highlight&Mark
4. Subtitle
   1. Player Window
   2. Content
   3. Sync with other
   4. User Operation
   5. Highlight&Mark
5. Audio
   1. Player Window
   2. Content
   3. Sync with other
   4. User Operation
   5. Highlight&Mark
6. Camera
   1. Player Window
   2. Content
   3. Sync with other
   4. User Operation
   5. Highlight&Mark
7. Full screen
   1. Native function
   2. Sync with other
   3. User Operation
8. Zoom in/out
   1. Content
   2. Native function
   3. User Operation
   4. Highlight&Mark