Sure! Here's an example of a simple game called "The Bear Spotted in the Forest and The Bird Spotted on the Cloud" implemented as a single HTML file using JavaScript. The game can be played on a smartphone and uses pictograms:
The Bear Spotted in the Forest and The Bird Spotted on the Cloud
Click on the pictograms to spot the bear in the forest or the bird on the cloud!
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In this game, there are two pictograms (bear and bird). When you click on either of them, an alert message pops up indicating that you have successfully spotted either the bear in the forest or the bird on the cloud. The game can be played directly by opening the HTML file in a web browser on a smartphone.