Use these 2 apps to improve performance even without rooting your device.

Here are some useful things of a 3rd party app tweaks. You need to know about this to boost your gaming performance or get a battery life set.

SaverTuner: For saving battery life
mFSTRIM: For trimming apps

And there's more; I had no idea about other apps to tweak to reduce screen flickering. It's easy to increase battery life.

3rd party apps are available through F-Droid, Neo Store, and Droid Ify. Use it responsibly. There are no links yet to take from clipboard commands further notice