Here's why:
* It's a video game: Pokemon Heart Gold and Soul Silver are video games that require a digital copy to be played.
* No physical copies are available: These games were released for the Nintendo DS and are no longer sold physically.
* No online streaming services: There are no legitimate online streaming services that let you play these games without downloading.
Here's what you can do:
1. Purchase a digital copy: You can purchase a digital copy of Pokemon Heart Gold or Soul Silver for the Nintendo DS from the Nintendo eShop.
2. Emulation: While not technically legal in all regions, many players use emulators to play these games on their computer.
Important Note: Downloading Pokemon Heart Gold or Soul Silver from unofficial sources can be risky, as these downloads may contain viruses or malware. Always download games from trusted sources like the Nintendo eShop.