The AGS-101 is a hardware revision for the GameBoy Advance SP released in September 2005. This model includes a backlit screen, as opposed to a frontlit display on the original GameBoy Advance SP. This allows for a clearer image while the system is in use. | The AGS-101 is a hardware revision for the GameBoy Advance SP released in September 2005. This model includes a backlit screen, as opposed to a frontlit display on the original GameBoy Advance SP. This allows for a clearer image while the system is in use. |