Android Booster - The whole productivity/utility SOLUTION:
Task Killer + Battery Saver + Memory Booster + Uninstaller + File Manager + Settings + Network Manager + Process Manager
These can optimize your android device via manage apps/tasks, show battery used, one-click turn on/off wifi, mobile network, Bluetooth and so on.
The Coolest thing is the Android booster Widget
Android File Browser is a simple file system explorer, which can browse through the system directories and open files.
It is a slightly improved version of the previous browser and a tutorial for Android developers at the same time. Comparing to the older version, Android File Browser 2.0 features graphic icons for each type of files
Android file browser, can use system relative software to open apk/image/audio/video/pdf /document files; support new/copy/paste/delete/pro perty operations on folder/file; sort/search folder/file; view/decompress zip file; view gif image file;