Sure! Here's a simple implementation of the popular game Flappy Bird using HTML and JavaScript. The game can be played on a smartphone and uses pictograms for visuals. Just copy the code below into an HTML file and open it in a web browser to start playing.
To play the game, simply tap on the screen to make the bird jump and avoid hitting the ground. If the bird hits the ground, a "Game over!" message will be displayed, and the bird will be reset to its initial position. Note that this is a very simple implementation of Flappy Bird and lacks many features present in the original game, but it should give you a basic idea of how to create a game using HTML and JavaScript.