This game is really hard. Which is understandable. It is a game jam after all. I haven't spent too much time on it (I don't really like playing game jam games. I like making them), so I did terribly.
The trajectory thing is nice, but really hard to use. You don't have enough time to plan your trajectory. I spent most of my time just to try and get my shopping cart out of trouble.
The biggest thing that made me not really like the game is that you lose when you hit the black hole. It makes sense, but it is very very annoying. I assume you added it to not make the game too easy, but it really isn't. It made the game more annoying than difficult for me.
Also sorry if the comment was too negative and you feel bad about your game. Don't feel bad about your game lol. I just thought I would express my opinions in case you find them useful.