system cleaner and speed up

SystermClean can boost the speed of your phone by up to 60%, and safely clean junk files to increase available space. With the advanced process monitoring technique it can intelligently clean background processes, stop stealthy running apps and disable stealthy auto-start apps even on non-root devices. (Android 4.1+)

SystermClean(speed booster & junk cleaner) Highlights:
★ Memory Boost - The best phone speed booster
Clean background tasks, free up phone memory.
Boost the speed of your phone by 60%, optimize games and apps performance.
★ Junk File Cleaner
Free up space and improve the performance by intelligently scan the junk files. Such as residual files, cache, temp files, obsolete apks and other big files.
★ APP Manager
Help you find rarely used apps, make uninstall apps to save more space.
SystermClean is 100% FREE and 100% GREEN.