I wasn't, but I will now based on this feedback. Thank you for the honest thoughts! You may have a point about the font, and the scaling is an issue I'll take a look at.
How does it feel bad to use? Is there a specific pain point I can address?
There are quite a few small things that add up to the UI feel for me. For example
I would also suggest having a few nice backgrounds and playing around with the random color on the balloons a bit. A lot of them are very dark. Might want to use a higher minimum brightness value if you're using HSV color space.