As an AI language model, I can provide you with a basic template for a simple game using JavaScript enclosed in script tags within a single HTML file. However, please note that implementing an entire game like "Mobile Legends" is beyond the scope of a single response. Here's a sample template that you can build upon:
This is just a basic structure to get you started with a game using canvas and JavaScript. You will need to define your game logic, characters, and additional functions to handle user input and interaction specific to your game. Feel free to modify and expand upon this template to create your own game using pictograms and mobile-friendly controls.