Yes, Redmi Y2 can support split screen.
Yes, Redmi Y2 does have the EIS for the video recording.
Yes, Redmi Y2 does have the LED notification light.
No. Redmi Y2 does not have the Gorilla Glass protection.
The Xiaomi Redmi Y2 is a slightly better attempt at a selfie-focused smartphone than the model it replaces. It has proven hardware that is capable of delivering a smooth user experience, plus MIUI 9.5 which has a lot of added features.