Already dialed in on the luxury mobile-phone market, Vertu’s New Signature Touch is not just smart, but brilliant—and with a body to boot. Handmade in England, the phone features a 5.2-inch, high-definition LCD screen with a resolution of 428 pixels per inch and a scratch-resistant, sapphire-crystal face to protect it. Inside, a 4 GB Qualcomm Snapdragon 810 octa-core processor maximizes the speed of the Android 5.1 Lollipop operating system. Capturing images is also a thing of beauty thanks to a built-in, 21-m…