Sure, here's an example of a simple game that involves throwing boomerangs using pictograms. You can save this code as an HTML file and open it in any web browser on your smartphone to play the game:
Boomerang Game
This game involves controlling two balls using touch events on a smartphone. By tapping on the screen, you can change the direction of the blue boomerang. The objective is to make the balls collide with each other, earning a point each time a collision occurs. You can see the current score displayed on the canvas.