The main reason for that is its ability to customize and allocate cpu and ram resources to gaming so here is a noobs2pro special guide on how to optimize nox player settings to fix lag for high-end games like pubg mobile and call of duty nox player performance and optimization settings there are three types of settings you can change:. Fix lag pubg nox. How to fix lag in pubg mobile pc emulator? this is a very complicated question on the internet people play pubg mobile on emulators however, if we don’t have a good pc then the game will lag we can increase our pc performance to experience smooth gameplay in pubg mobile even on a low-end pc so, here are some best tips to boost pc fps for.