on the Nintendo DS. If you're looking to revisit Johto in 2026, here is a guide on how to get set up on modern devices. 1. Choose Your Emulator
. In the world of retro gaming and emulation, these four-digit numbers are often used to identify the exact region-specific file (in this case, the North American release).
Software like DraStic (Android) or MelonDS allows players to enjoy the game on modern mobile devices or PCs.
When looking for a ROM (a digital copy of the game) online, seeing "4780" confirms you are downloading the correct, standard North American version of the game.
Unlike most Pokémon games, HeartGold includes two full regions. After defeating the Elite Four in Johto, players can travel to Kanto to earn eight additional gym badges and eventually face the legendary trainer Red atop Mt. Silver.