Sure, here's a simple game implemented as a single HTML file using JavaScript and enclosed in `` tags. The game is designed for smartphone operation and uses pictograms.
Mobile Pictogram Game
Tap the correct pictogram:
🐱
🐶
🐦
To play the game, you can open the above code in a web browser on your smartphone and interact with the pictograms by tapping on them. When you choose the correct pictogram ("cat" in this case), a message "Correct! You win!" will be displayed. If you choose the wrong pictogram, it will show "Wrong answer. Try again!".