Pokemon Sercert Phase Generator

[Blacksaber]

Pokémon Secret Phrase Generator

With this tool you can obtain additional secret box wallpapers from Pokémon Daisuki Club for the following Nintendo DS Pokémon games:

 

• Pokémon HeartGold and SoulSilver Versions
• Pokémon Platinum Version
• Pokémon Diamond and Pearl Versions

In all these games there is a person who can unlock new box wallpapers when telling him a certain combination of words.

Source

Still finding things out about this game...