Yes, the phone supports dual 4G sim cards.
Yes, Moto Z2 Play comes with Corning Gorilla Glass protection.
Yes, Moto Z2 Play does have Corning Gorilla Glass protection.
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 do not have to do anything special to avail Jio offer on Moto Z2 Play. Just when you start using the mobile, insert your Jio sim and it will get activated by the Jio company itself.