The Mach Cleaner is a free mobile phone cleaner app. It analyzes and finds files and applications that slow down your device and are recommended for deleting. 

Clean Phone, Cache & Junk, Booster

• The Clean Phone, Cache & Junk, Booster will free up space of device memory, optimize system usage and will substantially boost mobile device performance. Use your phone to the full!
• Junk removal - The junk removal will remove the residual junk files, residual ads, old cache files, old application cache files and old log files, which are often left by uninstalled apps. You will have a clean phone.
• Memory cleaning - The memory cleaning will clean the memory used by your applications, games, etc.