So a few things,
your game cover is a bit... worrying? ahahaha
I like the idea of the game! its really quite fun, kind of protecting the ship and fueling it at the same time is a cool concept.
The astronaut following the mouse is fine, but the spaceship feels too slow and slidey and hard to control.
But great game :) good job with all the art. I got about 900 points(?) I'm not super certain what the two numbers mean. Hope you continue making games!