Unused App Remover (com.vs_unusedappremover) on Google Play
WhoIs for 'vs_unusedappremover.com'
A simple tool, that helps to find and uninstall applications that no longer used to keep your Android device clean. But this is more than just a simple uninstaller. It tracks applications activity and records last time when application being used. So, when you are running out of device memory this tool suggests you what applications to remove first: not used for a long time or wasting more sd card space.Also it can be used to discover what applications are running in background and draining your battery.