Sure! Here's an example of a simplified game similar to Minecraft, implemented as a single HTML file using JavaScript. Since pictograms are not directly available, I'll use simple text-based visuals for this implementation.
With this code, you can move the player character (represented by the smiley face emoji) within a grid by using the arrow keys on your smartphone's virtual keyboard. The grid is displayed using text-based graphical pixels. The player starts at the top-left corner and can move within the boundaries of the grid.
Please note that this is a very basic implementation and just serves as a starting point. You can further enhance the game by adding functionality like placing and removing blocks, interaction with the environment, enemies, etc., depending on the complexity you desire.