DU Speed Booster (Cleaning Optimizer & Security Master) Highlights:
★ Easily Boost: A single touch saves you time and effort to boost your phone.
★ Junk File Cleaner: Fully scan and cleanup every bit of junk and cache files.
★ Smart Cleaner: Pre-set automatic cleanup of unwanted processes and trash.
★ Powerful Speed Booster: Boost the speed of your Android by up to 60%!
★ Security Optimizer & Master: Make sure your phone is secure and protected from virus (es) or Trojan (s).
Varies with device