Hey, here are my first impressions:
- Felt a bit weird to mine asteroids with bullets - I would expect more of a laser cutter type weapons or perhaps mining explosives.
- Movement felt quite good, I liked the amount of inertia the ship had. What I missed though was having directional thrusters for breaking or more precise manoeuvres.
- I expected to be able to aim or lock another target with right stick.
- Scrap fragments had weird trajectory sometimes.
- Screen shake felt too harsh when I attached double turret
I remember quite liking controls in this game - Jitter (has free demo), maybe it could be a useful reference for you.
Overall this looks very promising, if it turns out anywhere close to 'Dome Keeper in space' I'd definitely play it.