"Shiny Gold" is likely a fan-made ROM hack based on Pokemon Gold, which would be played on an emulator like Visual Boy Advance or mGBA.
To play a Pokemon ROM hack, you would need to:
1. Obtain an emulator: Download and install a compatible emulator for your computer or mobile device.
2. Get the ROM hack: Find a reliable source for the "Shiny Gold" ROM hack and download it.
3. Load the ROM: Open the emulator and select the "Shiny Gold" ROM file.
Remember: Playing ROM hacks is considered illegal in some regions, and downloading them from untrusted sources can expose you to malware. Be sure to do your research and understand the potential risks before playing.
If you're looking for official Pokemon games, consider checking out the Game Boy Color versions like Pokemon Gold, Silver, and Crystal.