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Japanese video game developer
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Mobile21 Co., Ltd. (モバイルニジュウイチ株式会社) was a Japanese video game developer that was a 50/50 joint venture between Nintendo and Konami established on October 7, 1999. Mobile21 primarily concentrated on next-generation Game Boy Advance development, with a particular interest in mobile phone linking features.
History
On September 2, 1999, Nintendo and Konami announced the establishment of Mobile21 Co., Ltd., with the Mobile Adapter GB on sale in April 2000. (The Mobile Adapter GB was an accessory for Game Boy Color consoles that allowed them to connect to a cell phone and exchange data such as high scores over the internet.)
The Mobile Adapter GB service began on January 27, 2000, and was terminated on December 14, 2002.
