Spectrum [Root] APP
Choose from Balance, Performance, Battery, or Gaming profiles to quickly and easily change kernel settings to your preference, now even easier with the included QuickTiles.
Spectrum requires the a kernel that has spectrum support, as it is ramdisk based. If you would like to add Spectrum support to your kernel, check out the documentation here: https://github.com/frap129/spectrum/blob/master/README.md
Spectrum is also open source, you can find it on Github at https://github.com/frap129/spectrum