This is the Ultimate Application Killer. This app lets you kill running applications and system services. You can also back-up applications you’ve downloaded or uninstall them from your device.

Features include:
• Kill Running Applications
• Kill Running System Applications
• Hide Applications
• Uninstall Downloaded Applications
• Backup Applications

Open source Android file browser. (Early alpha version)
Simple file browser with cut, copy and paste actions.
Google Code Page

Advanced Launcher is a must-have application for every Android owner. Advanced Launcher will create shortcuts to any application or function with ease and style. It makes your android device extremely handy and user-friendly.

Fast App Installer ,
Easy way to install external android application on your phone, search sdcard's specified folders and install any app you need.

Apn4Apps disables mobile data when the screen is off and enables it when the selected application starts to run on the foreground