We recently interviewed the developer of this app, Katrin Draemann Barothy of JustKidsApps, you can read that here. It explains the background to this incredible app, from the original thoughts, to the design and production and finally to sales and marketing. It offers a great insight into app development. Following our interview we were so enthralled we couldn’t wait to begin our review. This is the second in the abridged series of Spyri’s classic novel Heidi by e-book developer JustKidsApps, the story moves from the Swiss Alps to Frankfurt where the heroine must stay with a wealthy family and as a companion to Klara, a 12-year-old wheel-chair bound girl, but…