from the ringing of the bell, the change in color of the button and the board square, the size of the game board.

***The distracting bell ringing towards the end of the game should be replaced with a more pleasant and calm ringing. *** In chess and checkers, you should be able to change the color of the squares and buttons on the game board to your liking before being invited to play. (It is better and more comfortable to play on a landscape that suits you and to watch others play in a pleasant environment.) You should be able to change the color of the buttons and the grid color from black to white. For example: black squares to green, white squares to gray, black buttons to light brown, white buttons to yellow or even red. (This is just an example, there is no need to start investigating.) *** It would be good to also think about changing the size of the game board, whether you scroll larger or smaller, according to your eyesight.

Fortunately, the bell ringtone was changed, thanks! The other points are for future consideration.

You could open it to full screen size if you wanted and then back again.