I enjoyed it!
I beat the entire game with 155 deaths. The hardest levels were 16 and 38.
Any level that rotates the entire stage is very difficult compared to say level 40 where it's just moving downwards.
Throughout the game it keeps looking like I should've died because the cursor trail hits the walls, but of course only the cursor has hit detection. It just gives me a mini heart attack when I think I'm about to fail a level.
I used my thumb to play so it was a bit more difficult to aim through the narrow walled hallways, and I'd sometimes even miss the circles.
It reminded me of the World's Hardest Game, but since this is played with your fingers, you can beat levels in any fashion, depending on the speed of your fingers that is.
I rated 5*, great game!