The YotaPhone is most definitely unique. You might not be able to tell from the front, but flip this handset over and instead of a plastic flap or a stitched leather cover, you're faced with... another front, this time made up of an E Ink display much like the one in Amazon's Kindle e-reader. There have been numerous gimmicky attempts at making Android run on an electronic paper display, but what sets the YotaPhone apart from them is that it actually works . The second generation of this phone was introduced in December of last year and made massive strides forward in ergonomics and functionality. Now that it's received a hefty price cut , a new white version, a comprehensive Android Lollipop upgrade, and a tentative July release date for the United States, it's time for us to put the YotaPhone 2 to the test. The essence of the YotaPhone's appeal lies in its combination of an extremely energy-efficient E Ink displ...