A Look Back at Mobile System GB, Pokémon Crystal's Online Service

Equipped with the Mobile Adapter GB and a copy of Pokémon Crystal, Japanese owners were able to trade with people far away, long before the days of Nintendo Wi-Fi Connection. Find out what it was l…

Pokémon Crystal Version (lost Japan-only Mobile Adapter GB content for Game Boy Color role-playing game; 2001-2002) - The Lost Media Wiki

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Mobile System GB analysis and recreation project

Pokémon Crystal Version (lost Japan-only Mobile Adapter GB content for Game Boy Color role-playing game; 2001-2002) - The Lost Media Wiki

Game Boy Color - A Quarter Century Of Colour Nintendo Handhelds

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Pokémon Home transferring guide, how to transfer from Pokémon Go, Legends Arceus, Brilliant Diamond and Shining Pearl explained

A Look Back at Mobile System GB, Pokémon Crystal's Online Service, PokéCommunity Daily