Vivo Y95 does have the scratch resistant display but the company has not mentioned if its Gorilla glass protection or not.
Yes, Vivo Y95 does have the portrait mode for both its cameras - rear & front.
Vivo Y95 has LPDDR3 type 4GB RAM. It's single-channel RAM.
No. Vivo Y95 does not have the front camera flash but it does have the display screen flash.