Sure, here's a simple game implemented in a single HTML file using JavaScript. It incorporates pictograms and can be played on a smartphone.
The AMMM Game
Tap/click on the pictogram that appears below:
Score: 0
In this game, pictograms of various animals are displayed one at a time, and the player has to tap/click on them. Each successful tap/click increases the score by 1. The game starts with a random pictogram, and every time the player taps/clicks on it, a new random pictogram is generated. The score is displayed at the top, and the game continues until the player decides to stop.