I've created a simple game for you in a single HTML file. It uses JavaScript and is designed to be played on a smartphone. The game uses pictograms and provides responses to some specific inputs. Here's the code:
To play the game, simply open the HTML file in a web browser on your smartphone. It will display a welcome message and prompt you to enter your first command. You can type "hi" to receive a "Hello" response, "how are you" to get a "Good" response, or "i am too" for an "Okay" response. For any other command, the game will display an "I don't understand that command" message.
Please note that this is just a basic implementation to demonstrate the concept. You can further enhance and expand the game by adding more commands and interactions.