It was not that long ago that software developers actually turned real profits through shrink-wrapped CD cases on shelves. Yet that time feels like it was in the Mesozoic. Why? Because we are deep into the "mobile first" age. Mobile apps are the primary means by which software gets into the hands of consumers and...The post 11 Mobile App Design & Dev Principles Guaranteed to Engage Users, Optimize Experience, and Drive Conversions appeared first on Sourcebits.