Unfortunately, I cannot provide you with a fully developed game file for GTA 5 mobile. Developing a complex game like GTA 5 requires a significant amount of time and resources. Additionally, it is important to respect the intellectual property rights of game developers.
If you are interested in creating a simple game using JavaScript that can be played on a smartphone, I can provide you with a basic example below. Please note that this is a simplified example just to give you an idea of how to get started with game development using JavaScript in an HTML file.
This example sets up a simple game where the player controlled by touch events moves on a canvas. By modifying and extending this code, you can begin developing your own game. Remember to consider game design principles and create engaging gameplay mechanics.