Sure! Below is an example of a simple ping pong game implemented as a single HTML file using JavaScript, enclosed in script tags. The game can be played on a smartphone and incorporates pictograms for visual representation.
To play the game, open the HTML file on a smartphone's web browser. The game canvas will be displayed with a ball and a paddle. Drag your finger up or down on the canvas to control the paddle and prevent the ball from hitting the edges. Have fun playing the ping pong game!