REQUIRES ROOT!!! (This app will not root your device)
L Speed is a modification that combines tweaks inside an intuitive application, Its goal is to improve overall performance, reduce significant lags, and extend battery life.
The mod will and should work on any device that meets its minimum requirement.
You only need a rooted Android device, Android 4.0.3 and later is needed for this app to function properly.
L Speed comes with a nice and clean user interface. Options such as tweaks are separated with sections, their explanation can also be opened with a long click. L Speed also supports changing theme colors, with Light and Dark option available to suit everyone’s taste.
You may also need to whitelist this app from memory cleaning, autostart, hibernating or similar functioning apps or features on your device.
How To whitelist L Speed
Samsung: Settings -> Security -> Auto-start
Sony: Settings -> Power management -> STAMINA mode
MIUI: Settings (Security Center) -> Permissions -> Autostart
Huawei: Settings -> All (Permissions) -> Startup manager