Sure, here's an implementation of the game you described. Please note that it cannot be run directly on this platform, but you can copy the code into an HTML file and open it in a browser. It uses pictograms and is playable as a game on a smartphone:
In this game, clicking the "Shoot" button will make the target's head turn into 3 to 8 random red shapes (circles, squares, or rectangles). It can be played on a smartphone and uses pictograms as described.