[Asansam Box]

download extractor tools
-Press the browse (...) button and select an update.app file
-Select a device or unknown and press on the open button.
-You'll see the content of the update.app file in the listview.
-Select one or more files and right click
-Choose Extract selected from the context menu.
-Choose the ouput folder and press ok.
Or
-just right click on the list and select Extract all, choose the output folder again and press ok.
-Press close on the extract window.