Yes, Moto Z2 Play comes with Corning Gorilla Glass protection.
Yes, You will get Moto Style mod free in the box.
Yes, Moto Z2 Play comes with latest Android 7.1 Nougat OS and does support Screen Cast.
Moto Z2 Play thickness is just 5.99 mm. This is one of the thinnest smartphone in the world.
Standard packaging includes Mobile Phone with in-built battery, FREE Style Mod, USB Type C Cable, USB Power Adapter, SIM Ejector Tool, User Manual and a pair of Headphone.