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.
You shall get Moto Style Mod free in the box.
Yes, Moto Z2 Play does have Corning Gorilla Glass protection.
Yes, it does support International 4G sim cards.
Yes, Moto Z2 Play comes with latest Android 7.1 Nougat OS and does support Screen Cast.