Clean Android Assistant - This app is one of the system utility tool that improves your androids performance. It increases your phones performance and saves battery life. Apparently which boost your system os and memory. It also has process manager which let you clean system running apps. It included with Backup & Restore feature that help you backup apps as apk file and restore when you need them. System Cleaner feature cleans Cache, Thumbnail Cache, Log File, Empty Folder, Browser History, Clipboard, Market History...
Monitor status (CPU, RAM, ROM, SD card, Battery)
Process Manager (Clean Running Process)
System Clean (Cache, Thumbnail Cache, Log File, Empty Folder, Browser History, Clipboard, Market History, Gmail History, Google Map History)
Power Saver (bluetooth, wifi, gps, auto-sync, auto-rotate screen, screen brightness, timeout)
Volume Control, Phone Ringtone, Screen Brigthness, Sleep Time
APK Backup & Restore