Yes, Vivo S1 does have the Corning Gorilla Glass 5.
No. Vivo S1 does not have the USB Type C port but it does have a MicroUSB port. The phone has fast charging support via MicroUSB port charging.
Vivo S1 standard packaging box contains - Vivo S1, Earphone, USB Cable, USB Power Adapter, Protective Case, Protective Film (applied) and a user guide.
Vivo S1 has ARM Mali G72 MP2 dual core GPU.