The graphics are great. But the gameplay is a little boring. Tracing lines is not that exciting, sorry.
Aside of that though, I was getting some odd bugs. For instance, sometimes the level would skip to the next level without exiting to the level menu. Sometimes this would happen and the remaining time from the previous level would also be the remaining time for the current level. Also, sometimes the level finished by itself... didn't have to hit "done", but sometimes it didn't even if my cuts/marks were perfect.