The string is packed with metadata that tells you exactly what the file contains:
The “u” in u_xenophobia_full stands for “Unown.” 4780 pokemon heartgold u xenophobia full
: This is the release number assigned by scene groups to identify this specific dump in a chronological list of Nintendo DS software releases. The string is packed with metadata that tells
Generally signifies that the file is the complete, untrimmed ROM (128 MB), containing all original game data. Key Technical Details untrimmed ROM (128 MB)
You cannot catch any Pokémon in Build 4780. Not one. The Poké Mart doesn’t sell Balls anymore—only Potions and Escape Ropes. Professor Elm’s calls become strained.
Identification and analysis of the search query components regarding the Nintendo DS video game Pokémon HeartGold .