Hm I will definitely look into it, haha that would be really fun to make
The one big issue I see would be determining the angle that a rocket will thrust the rocket body by, if a rocket is all the way to the left of the body, the rocket body will tilt right... but by how much each frame? To build this you would need knowledge of rigid body physics (lots of math)
If I were to make it, I wouldn't make it too graphic because of how limited a 3DS is. I would probably use pixel art. And lots of math? Sure, why not?! I also made a spaceship thing.