Every major VR player has made the same promise. A VR headset that would be completely wireless. One that would let you go anywhere without tripping over cords or being tethered to a computer/phone/PS4. Google, which has spent more than a year quietly improving its VR platform, Daydream, is now the first company to cross the standalone finish line. The Daydream-powered Lenovo Mirage Solo is a beauty.