This was one long overdue product. Just checked it out, works pretty well given all the complexities of the task at hand.
This sounds like something Karpathy did on selfies - http://karpathy.github.io/2015/10/25/selfie/
Good work to suggest filters to actually improve the photo! Not sure how you decide the filter selection though.
Can’t tell if it gives score randomly or with some meaning. And I can’t find any filter that looks good, they are all awful. Exploring filters is very slow, it recalculates score after each.