The Mobile Masters Second Edition has already been approved by Apple and will be available in iTunes on Saturday May 3, 2014. It will be free for the first two days, and then revert to its retail price of $4.99/£2.99. We have a teaser video for you to check out in the meantime – here’s the link for that. The Mobile Masters Second Edition will allow you to explore over 50 immersive interactive portfolios with over 300 images from some of the best Mobile Photographers from around the world. Hear them speak about their creative vision and how they created each image in their PROOF Portfolio. Each artist also shares…