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Since Honeycomb, the Android browser has included a Labs area for providing advanced functionality. One such function is the enabling of quick controls, as shown on the right side of the displayed web page (blue wheel).
Once activated in the Labs, the entire screen is dedicated to displaying web pages. To access the wheel, simply swipe in from either the left or right edge of the screen. Hold your finger in place once the wheel appears, and slide it over the desired control. When you raise your finger the selected function is executed.
Android has the Manage Applications section in the settings which is where you uninstall applications no longer needed.
In Honeycomb, there is a much easier method to uninstall them. With the main Applications screen displayed, tap and hold the app you wish to delete from the tablet. Drag it to the trash can and boom, it's gone.
Note that dragging app icons to the trash from the home screen does not delete them, only doing it from the application launcher screen.
Dropbox is a useful service for storing files either as a backup or to share with others. The files are organized in online folders to make it easier to work with them. There is an easy way to put a shortcut for any Dropbox folder on any of the Android home screens.
On any home screen tap and hold an empty spot, or hit the big + button at the top right of the display. This opens up the home screen customization display. Hit the More tab and you'll see an icon for Dropbox folders. Hit that and select your Dropbox folder you wish to have access to on your home screen.
Once the icon has been put on a home screen, it can be positioned as desired just like any icon on the home screen. A dropbox folder icon is indicated in the image by the red square marker.