Sure! Here's a sample implementation of a simple adventure game with 3D graphics using JavaScript and HTML:
This implementation creates a simple canvas-based game where the player can move around on a green background. The player is represented as a blue square.
To control the player's movement, you can use the arrow keys on your smartphone's keyboard or virtual keyboard. The player will move 5 pixels in the corresponding direction upon key press.
Please note that this is a basic framework for a 3D adventure game, and you can expand upon it by adding more features, levels, and interactive elements based on your game design.