Sure, here's a simple implementation of the classic game Pac-Man in a single HTML file, using JavaScript and enclosed in script tags. The game can be played on a smartphone and includes pictograms for the characters.
To play the game, the user can swipe on the game board in the specified directions (left, right, up, down) to move Pac-Man accordingly. The game board is represented by a 20x20 grid, and Pac-Man is represented by the
👻 pictogram. You can further enhance the game by adding ghosts, collectible items, and additional gameplay mechanics.