Sure! Here's a simple game that meets your requirements:
Please note that since this is a text-based response, you won't be able to see the actual game in action. However, you can copy the code and save it as an HTML file on your smartphone to play the game. This game allows you to control a blue player dot using your smartphone's tilt, and your objective is to click on the Pokemon icons that appear on the screen to catch them and increase your score.