WidgetLocker is an app for customizing the Android lock screen. With it you can choose the placement of sliders, widgets and shortcuts; customize the sliders look and actions; and more
iDisplay (Android) - Turn your Android device into a second monitor for your Mac or Windows PC!
iDisplay is a universal application specially optimized for Android tablets' and smartphones' touch screens and can be used for IM, Twitter, weather/news gadgets, and other tools
