15 Minute Better Back в Android Market

15 Minute Better Back (v. 1.0.0) Разработано Mobifusion

15 minutes is all you need to strengthen your back muscles, improve flexibility, relieve yourself of pain, and get more energy.  Part of the best-selling series by Dorling Kindersley, this mobile adaptation gives you expert guidance through easy-to-follow color photos. It's like a personal trainer in the palm of your hand!