Sure! Here's an example of a simple "Werewolf Ego" game implemented as a single HTML file using JavaScript. It is a text-based game where the player tries to identify the hidden werewolf among the other characters. The game can be played on a smartphone.
Werewolf Ego Game
To make this game more engaging, you can add more features like user interactions, gameplay logic, and winning/losing conditions. Additionally, you can include pictograms/symbols for the character images by using appropriate image resources.