DU Speed Booster & Cleaner v2.9.9.6.1 Final
Requirements: 4.0+
Overview: DU Speed Booster is an Android optimizer & cleaner master with a FREE built-in antivirus security feature.

 

It can boost the speed of your phone by up to 60%, cleans junk (cache) files from your ... http://www.apkformod.com/du-speed-booster-cleaner-v2-9-9-6-1-final/