It can do the sound if you overclock the GBA. The processor was engineered to run at twice the clock frequency anyway so you're not risking your hardware.
The art style is giving me a vibe somewhere between Maurice Sendack, and Salvador Dali. I think the clocks are what's giving the Dali feeling. I love it.
Hi guys, here's an embellishment object, hope you like it ;) ( Just a flat diffuse in viewport - no spec. no normal map ) Next step, zodiacal clock texturing ^^
The red light from the clock is too bright, illuminating too much surface area on that wall, and it also should not be projecting that light backwards if it's facing forward.