Android App - System Tuner

A very useful utility for Android is System Tuner.
For what? The use for this application is for rooted phones (some functions) and for expert users!

You can use System Tuner as (from Google PlayStore description):

Task Manager:
- Filter user/system/kernel processes and exclusion list
- Shows cpu load/frequency, memory/internal/sd usage
- Sort processes by cpu times, start time, memory or by name
- Kill non manually excluded apps automatically
- Shows detailed information about running apps and processes
- Manually kill running apps

CPU Manager (rooted phones):
- Tweak CPU governor + frequencies during screen-off, on-call
- Tweak CPU voltage (when available on custom Kernel)
- Set CPU settings on boot
- Uses OC/deamon when available and can disable it

Extended Task Killer
- Kill non-excluded apps automatically or manually
- Kill apps during screen-on, screen-off or when widget refreshes
- Manually exclude or include apps
- All system apps are excluded by default
- Manually kill kernel processes (root)
- Display memory and SD details (RAM & internal)

Application Manager without root:
- Backup/restore/uninstall user apps, only APKs are backed-up
Application Manager with root:
- Freeze/unfreeze apps
- Remove app from boot
- Backup/restore/uninstall any apps and settings, including system apps
- Launch and read app logcat
- Display application data and cache usage
- Sort application by name, data usage or cache usage
- Move any apps to/from system/user/SD space
- Clear caches or dalvik cache (must reboot after)

Activity Recorder, Logcat Reader, Terminal Emulator,

System Tweaker (root):
- Tweak SD cache size to boost performance
- Tweak IO scheduler to boost performance
- App booster on boot (APK alignement + DB cleanup)
- Tweak Android auto-kill memory settings
- Uses Linux init.d script when available

Notifications (show several informations like cpu, memory, cpu governor, sd etc...):


I use it to remove some useless "apps" from startup.

Some screen:

Donwload: 
https://play.google.com/store/apps/details?id=ccc71.pmw