Sure! Here's an example of a simple block breaker game implemented as a single HTML file with JavaScript. In this game, you control a paddle using touch controls on a smartphone to bounce a ball and break blocks. The game utilizes pictograms for better visual representation.
You can copy the code below and save it as an HTML file:
To play the game, open the saved HTML file in a smartphone browser that supports JavaScript, and you should be able to control the paddle using touch controls, bouncing the ball to break the bricks. If the ball is missed by the paddle, it's game over. If you break all the bricks, you win!
Note: The game canvas size and other parameters can be adjusted as needed to fit different screen sizes and desired gameplay difficulty.