Well hidden object kind games always tend to get me bored pretty quick. When I read what type of game it was, I started with low expectations other than the fact that I love lo-fi songs.
The presentation of the game is really aesthetic and I love that. I'm a really laid back guy and it is hard to come across casual games like these.
On things that might improve on, I am not too sure! Me personally I think you are on the right track and I would love to see more work from you soon!
Good Luck!