Sure! Here's a simple game implementation in HTML using JavaScript that can be played on a smartphone. It uses pictograms for navigation.
To play the game on a smartphone, open any text editor and copy-paste the code into a new file. Save the file with a ".html" extension, for example, "minecraft_game.html". Then, open the file on your smartphone using a web browser. You will see a red square (representing the player) on a canvas.
To move the player, use the arrow keys on the smartphone's virtual keyboard. Each arrow key press will move the player 10 pixels in the corresponding direction.