Ignorant people won't realise English isn't your first language, so be prepared for some hate against that, but there isn't really much you can do about that.
Don't have a black stickman in space, give him an outline or something so he is visible.
The UI is horrible, please don't use such a bright colour with typed black text because it is horrible to read, also the lock that is superimposed onto the description of the ships gives the illusion that they are locked from purchase.
It has potential, however the enemys need to have a natural difficulty curve, because it isn't easy to earn 200 coins when faced with a wall of projectiles as soon as you begin.

It doesn't seem to be finished...

needs tuning my friend but over all a nice addition to the newgrounds site, keep it up bro ;)

A basic but kind of dumb space shooter

Art style is really bad, and game is too simple. This game might be good 20 years ago, but now in 2014 this is just not worthy playing. But Ill give 0.5 start for music.