Digisubs on GBA

Nintendo has revealed the “playan” attachment for Gameboy Advance, Gameboy Advance SP, and Nintendo DS. The device allows the Gameboy Advance or Nintendo DS to play MPEG4 video and MP3 audio saved on SD memory cards. The Playan will go on sale in Japan in February and retail at 5,000 yen. Most digital anime fansubs are encoded in MPEG4 video.

Source: AV Watch