Sure! Here's a basic implementation of a text-based version of Pokémon Gold, designed for smartphone operation. Since using pictograms in a single HTML file would be quite complex, let's focus on the core mechanics instead. Please note that this code is just a starting point and does not include all the features of the original game. Feel free to enhance and modify it as per your requirements.
To play the game, you can simply open this HTML file in a browser on your smartphone. The game will prompt you to enter your name, choose a Pokémon, and display your Pokédex. Note that this example only includes the initial steps of the game and doesn't include battles, catching Pokémon, gym battles, etc. You can further expand the game by adding more functionality and features based on the Pokémon Gold game mechanics.