DIGITAL CONTENT PLAYER

a portable multimedia content delivery cartridge that is self-contained (all-in-one) for multimedia content delivery and/or distribution; The cartridge includes a multimedia data storage unit (DSU) and a multimedia data playback unit (DPU); The cartridge has the proper interface circuit and connectors to allow it to be connected to a portable electronic device commonly known as the Nintendo Game Boy; Alternatively, the cartridge may work with a portable device such as a mobile phone, a personal digital assistant (PDA), a e-Book, a portable audio cassette tape player, or a MP3 player; The physical connectivity between the cartridge and the portable device may be established directly or through an interface adaptor