Many are talking about the Samsung Galaxy S IV. On everyone's lips are the excellent specifications of the device, which as you say would have a Full HD screen of 4.99 inches, come with a S Pen and would use a powerful processor core Exynos August 5. That's the main thing at the hardware level, but we are forgetting another important aspect of the smartphone that goes beyond: we refer to new features, and it is said the phone will function...