This is a simple billiards game implemented as a single HTML file. The game is designed to be played on a smartphone. The player controls a red ball using touch input to hit other balls on the screen. The goal is to prevent the red ball from hitting the bottom wall of the canvas.
The game starts automatically when the webpage is loaded. The red ball moves around the canvas, bouncing off the walls. If the red ball hits the bottom wall, the game is over and an alert is shown. The player can control the red ball using touch input. By dragging their finger across the screen, they can move the red ball horizontally.