Sure, here's a simple game implemented as a single HTML file using JavaScript. It can be played on a smartphone and includes pictograms. Please note that this is a basic example and can be expanded upon.
Pictogram Game
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To play the game, open the above code in a text editor and save it as a `.html` file. Then, you can open the file in a web browser on your smartphone and interact with the pictograms by tapping on them. Each time you tap a pictogram, your score will increase, and once you tap all the pictograms, the game will end and display your final score.