Sure! Here's a playable sample game where you can control a 3D cube using arrow buttons. Please note that this code is a simple example and may not provide an actual 3D cube rendering. It focuses on the functionality of controlling the cube with arrow buttons. Please save the code below in a single HTML file and open it in your browser:
To play the game, open the HTML file in a web browser on your smartphone. You will see a red square representing the cube. Use the arrow keys on your keyboard (or virtual arrow buttons on your smartphone) to control the cube's movement. The cube will move in the corresponding direction based on the arrow keys pressed.