All Document Reader is a free all-in-one office reader for Android phones. This is an all-in-one application that will help you open documents from the internal memory of your Android phone or SD card, view them in all their formats (PPT, PDF, XLS, TXT, and WORD), and share them with one tap. This is an easy-to-use application that can be used by any user. It does not require any special permissions to work. All you need to do is install the application and you are ready to view all your documents. This application will work even if you have a slow connection or no Internet access.