In this guide, you will learn how to fix the lag in Pojav Launcher in Minecraft Pocket Edition.
First, you will need to open the main menu and go to options settings. After that, go to video settings, and there you have to change the graphic setting from fancy to fast, which will increase the speed of the gameplay.
After that, you have to change the smooth lighting settings to a minimum, then tap over to the render distance option and select three tiny options. Now go to the dynamic lights option and choose a fast option, as shown below.