Enhance the user experience.

Optimize gaming experience.

- Added online game
- Small user interface changes and improvements
- Fixes

Optimize gaming experience.

Refactoring code and using new AI.

1. Restore the missing screenshot.
2. Optimize the user experience.

Optimize the user experience.

1. Add the function of dragging and moving the chessboard.
2. Double click to enlarge the chessboard.

1. Modified to long press the chessboard to zoom in or restore.
2. Fix crash problem.

1. Add chessboard zoom function.
2. Optimize AI computing speed.
3. Optimize user experience.

1. Optimize user experience
2. Fix minor problems

Optimize the game experience.

Two difficulty modes are available in man-machine battle!