This is a very good question, and it deserves to be answered before we go any further. Because, stripped down to its basics, the Retroid Pocket 4 Pro is basically just like your smartphone. It uses smartphone hardware, it has a smartphone-sized 4.7-inch screen, and because it runs Android and has access to the Google Play Store, it's very similar to any number of phones I own. The differences are key. It doesn't have a camera, antenna, or any of the basics a phone might have. But it has a large 5,000mAh battery, a headphone jack, a microSD card slot, controllers on either side of the display,