Right off the bat, I'm immensely surprised by how professional the presentation is. The title screen is well-animated to put it lightly. The tutorialization is perfectly visualized. No complaints there, except possibly I would have added some extra music.
The perspective change is really cool. My favorite part is how the background color changes depending on the player's angle. I wish there were more sections where I could run in a straight line to mix things up. Perhaps you could extend the game a few levels for a full release?
By the by, I was reminded immensely of echochrome. Was that intentional? One of my favorite PSP games, so thank you for allowing me to feel some nostalgia for it again.