Question: how to use gfx tool for pubg?
Answer: Step 1 – Installing GFX Tool. You'll need to install and set up GFX Tool. Simply follow the Google Play Store link below and install it. ... 
Step 2 – Configuring GFX Tool. Use the image below and set each parameter as shown. ... 
Step 3 – Launch PUBG! Now, this is the simple—and fun—part.