Too dangerous!!!

I love workout!!! 1st day I decided work out this app. I thought it was not bad workout app you know. Then next day, I cant feel my own legs! I was barely sit down on the bed, chair, and my car for 3 days! No, it is not sore, my muscle had been damaged by this app! This app is very dangerous!!!! I decided to delete this app.

Clownie3o5 about Runtastic Butt Trainer