No. Vivo Y95 is not a waterproof mobile phone.
Vivo Y95 has an aperture ratio of f/2.0 for its 20MP front camera. While the rear camera has f/2.2 & f/2.4 aperture for the 13MP & 2MP cameras respectively.
Yes, Vivo Y95 does have the GPS support.
No. Vivo Y95 does not have the IR remote sensor.