Sure, I can help you with that! Here's a simple implementation of the Battle for Dream Island game using JavaScript and HTML, optimized for smartphone operation:
Click on the BFB icon to start the game!
To enhance the game, you'll need to add more functionality, game logic, and visuals by modifying the JavaScript code within the `document.addEventListener('click', function() { ... });` section. You can also replace the placeholder BFB icon URL (`https://placehold.it/100x100`) with the actual image URL you want to use.
Remember to save the code in a single HTML file and open it in a web browser (preferably on your smartphone) to play the game by tapping on the BFB icon.