It may be because I never had a tamagotchi, but I did not really understand what I was supposed to do or how to play. From what I could tell, the arrow buttons did nothing, and the middle button seemed to do random things.
It also felt like Ennuichi was an introvert struggling with depression rather than someone struggling with schizophrenia.
Some icons and words clip off screen, but other than that, the art style is really nice! I just wish I knew what the buttons and symbols meant