Neat little game, congratulations! I personally got stuck on level 10, and had to put it down after several attempts (simply to go rate some more games), but it seems like you had a clear vision for the game and executed it according to that vision.
The intro did well to introduce the concept of why we were collecting roses, but it may have been nice just to elaborate on that a little more, but I can understand that time constraint may have played a factor.
One little critique, it would have been nice to have been able to hold down a movement key to repeat the movement on a set timer. That way I wouldn't have to spam a direction key for multiple movement, but also avoid the pitfall of moving the player on too quickly and inadvertently messing up the whole level.
Well done for submitting, best of luck with the scoring!