Sure, here's a simple implementation of a game called "Giant Pong" using JavaScript and HTML. The game is designed to be played on a smartphone and uses pictograms. The game is played by tapping on the left or right side of the screen to control the paddle and prevent the ball from hitting the edges.
Just copy the above code and save it as a `.html` file. You can then open the file in a web browser on your smartphone to play "Giant Pong."