DU Speed Booster, More Speed More Fun! Jan. 2015 --- by DU Apps Studio

DU Speed Booster is a FREE Android app that boosts speed of your phone up to 60%, cleans your system from unwanted files and increases your storage space. Brought to you by the creators of popular DU BATTERY SAVER, the world’s leading battery saver and power manager that can extend your phone’s battery up to 70%! Get free DU Speed Booster at