Android post process see through material

[rEb00t_1001]

I’m making a FPS android game and using post process volume + material to tag enemies and make them visible through other actors.

On PC it works fine:

But on android devices(and android ES3.1 preview) it doesn’t work and messes everything up:

PostPorcess Material:

Please help me.
I don’t know much about UE4’s material system.

[BladeMaster (Parth Naik)]

To enable post process effects on mobile devices, you need to check “Mobile HDR” in your project settings.

[rEb00t_1001]

I’ve already enabled Mobile HDR before creating the material