The $408 phone promises battery life of up to 50 hours on a charge and offers an optional $250 Hasselblad camera attachment. Lenovo has unveiled its latest smartphone, the Moto Z Play Droid Edition, with a 5.5-inch 1080p HD Super AMOLED touch-screen display, estimated battery life of up to 50 hours on a charge and a $408 price tag when it goes on sale...