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…

Edge of Emulation: Mobile Adapter GB - Part 1

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

I kind of wish GameFreak would do something like this with a physical collection like other devs do with their classic titles. Would probably be very easy money for them : r/pokemon

Updated] What happened to Pokémon Crystal's eShop release?

Pokemon Gold / Silver / Crystal Version - GameSpot

Mobile System GB analysis and recreation project

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

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

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