A new image of the Sony Xperia XZ4 has hit the web - or rather an image of its homescreen. It stretches to a rare 21:9 aspect ratio and clearly adopts Android 9 Pie gestures navigation. But what's with the line on the right? That could be Sony's Side Sense - a feature that made its debut on the Xperia XZ3, which allows you to double tap the side of the phone to bring out a list of AI-curated app shortcuts. Sony Xperia XZ4 homescreen • Composite images The second and third images are composites of the screenshot and renders of the Xperia XZ4, showing what the phone will look...