AMAIZING APP PLZ READ – Instant Butt: Workout Trainer Review

So when I buy work out apps I am usually thinking this is gonna be a cheap thing where they make u pay money,but no I was shocked it is a very quality app it's fun watching the instructions so seeing what your doing. I love how u can pick out ur workout to.....I recommend this app???
Review by Justice ?? on Instant Butt: Workout Trainer.