Well to make it look cooler, in my opinion, I'd order a clear shell if you don't have one already. What I did is took apart my old SP and cut the ribbon cable. Then I took the plastic piece covering the screen. There is a metal mirror-like piece that has an led the forces the light upwards. If...
GBA SP inside DMG mod, with a 5" ANDROID TABLET ON BACKSIDE
Dude... You said 5" tablet... The DMG isn't even wide enough to fit. Good idea though. At that point, why not root the tablet, use an aftermarket kernel, then run homebrew games from the tablet? I know that defeats the purpose but I...