Sure, here's a simple game that meets your requirements:
This implementation creates a simple game where you control a ball inside a box by tapping the screen on your smartphone. The ball can jump by tapping, and if it touches the ground or collides with the random spike, you lose the game. When the game is over, an alert message will be displayed, and the game will be reset. The spike's position is randomized every time the game is reset, making it challenging.