Let's start with the good!  First, I think that's a pretty interesting music choice, kind of gives it an ethereal feel to it that I dig.  And, while the game is really simple, I do think something about the game setup does lend to sort of a meditative focus which is easy to kind of put one "in the zone" without being complicated enough for distraction.  However, I have to be honest, I do kind of think the game isn't in the spirit of what I would consider an input optional game.  We could argue about the multi-axis input, but I also think that really there's an implied losing state to the whole thing.  I just don't feel like this game is no more input optional than a regular game (a simple one, yes, but nonetheless).  And, of course, that's not to say it's without merit! So, a simple game with some good choices but I think it needed more consideration in design to really fit the jam style.