Sure! Here's an HTML file that contains the implementation of a simple game using JavaScript and pictograms. The game allows you to control an emoji character using arrow buttons on a smartphone. When you tap the visible space button, the emoji will transform into a dragon, and tapping it again will transform it back into an emoji.
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You can save the above code in a file with the `.html` extension and open it in a web browser to play the game. The emoji character will be displayed in the middle of the screen, and you can use the arrow buttons (right, left, up, and down) to move it around. Tapping the visible space button will transform the emoji into a dragon, and tapping it again will transform it back into an emoji.