the purpose of the product, the gaameboy advanced sp is to provide people with entertainment by playing games. So to go along with the product the are games. the gameboy gives people a joy and is practical for times when you have to be mobile. personally thats why I like it so much.
my hypothisis how the product works is the game has data that the gameboy procceses and shows on the screen then there is a "directinal pad," left and right buttons, and buttons "A" and "B" using them the product read that and you are able to control the game or quest your on.
well, hidden from view but make the mecanics of the product work are data cards inside of it and ports for the buttons.
sorry i couldnt make a black box diagram but this clearly layed out
input---
•Charged battery
•games
•Buttons- a, b, directional pad, start, select, L, and R
•Actions
•Slots on back
outputs---
•Light up screen
•Data on the screen
•Controls game
•Sound
•Charger and multiplayer connection