For the GBA, Nintendo plans to ship the Game Boy Advance Wireless Adapter, which allows players to compete head-to-head without the use of cords, as part of the Pokemon Fire Red and Pokemon Leaf Green package in September. The Pokemon/Wireless Adapater combo has already sold 2 million copies in Japan since it launched at the end of January. Mario Golf: Advance Tour, which is set for release on June 28th, will also take advantage of the Wireless Adapter.
Also coming out in June is the new Game Boy Advance Video. These are new video paks which allow two cartoon episodes to be played on the GBA. Companies such as Majesco have already started to take advantage of the technology.
Read more at Gamers.com