killapps lets you close all running apps at once by a simple touch! it saves battery power , and improves performance. this app improves your phone's performance ☆ by speeding up your phone ☆ by freeing the memory ☆ by saving the battery ☆ by cooling your phone your phone keeps many apps running in the background, which is consuming your system resources, and as a result draining your battery and reducing the available memory. features: ✓ close all running apps ✓ close background tasks and services ✓ supports user apps and system apps. ✓ widget task killer this app is a very powerful task killer that kill tasks and processes. speed booster this app lets you speed up your phone when it runs slowly because of the many background running apps. ram cleaner this app optimize your phon