On a scale of 1-5 (with 1 being least favorable and 5 being most favorable), how would you rate this review? "MuPDF is my reader of choice when on a computer Linux o Windows; what I like the most is the invert colors feature but this mobile feature doesn't have it. Maybe in the future? ;D Anyways it's lightweight fast and easy to use"
The answer to this question is:
4