Yes, Redmi Y2 does support the PUBG game.
Yes, Redmi Y2 does have the dual app support.
No. Redmi Y2 is made of industrial grade polycarbonate material.
Yes, Redmi Y2 does have the bokeh mode.
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.