Sure! Here's a simple implementation of the classic game Atari Pong using JavaScript and HTML. The game is designed for smartphone operation and uses pictograms:
Save this code in a `.html` file and open it in a web browser on your smartphone to play the game. The player controls the paddle by tapping the top or bottom half of the screen. The goal is to bounce the ball off the paddle and prevent it from passing through. The computer-controlled paddle tries to do the same. Enjoy the game!