Modified README.md and delete LICENCE

LICENSE

-TODO: Add your license here.

README.md

 # open_file_manager
+  
+A flutter plugin to open default file manager app.
 
-A flutter plugin to open default file manager app
+## How it works?
 
-## Getting Started
+### Android
+Plugin will shows the available file manager apps in bottom popup and you can select one app to open.
+That app will open with `Download` folder that is public folder.
 
-This project is a starting point for a Flutter
-[plug-in package](https://flutter.dev/developing-packages/),
-a specialized package that includes platform-specific implementation code for
-Android and/or iOS.
+### iOS
+Plugin will open `Files` app in iOS. you need to add following code snippet in `Info.plist` to view your app folder inside `On My iPhone`.
+Also you need to save at least one file to view your app's folder
 
-For help getting started with Flutter development, view the
-[online documentation](https://flutter.dev/docs), which offers tutorials,
-samples, guidance on mobile development, and a full API reference.
+```xml
+<key>UISupportsDocumentBrowser</key>  
+<true/>
+```
+  
+## Usage  
+It's a very simple to use. there is only one line of code!!!
+ 
+ ```dart
+ import 'package:open_file_manager/open_file_manager.dart'
 
+openFileManager();
+ ```