You can check out the script here: https://pastebin.com/3NRc34Y2
Or just extract it from the zip.
This seems to touch on most things
- IO sched values
- VM tweaks
- LMK tweaks
- Disables Google Play Services analytics services
- Sysctl config values
- Some entropy tweaks using rngd
- Customised doze values
There's some more if you filter through.