Pixel Loop 10
Chose any triple A game (what counts as AAA is opened for your interpretation, but if you think your choice is controversial, ask any of the mods first) as GBA game mockup.
Canvas Size - 240x160 or 160 x 144.
Colours - max 32 colours for 240x160 or max 16 colours for 160 x 144.
Transparency - Forbidden.
Animation - Optional.