diff --git a/CHANGELOG.md b/CHANGELOG.md
index 41cc7d8..04353c7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
 ## 0.0.1
 
-* TODO: Describe initial release.
+* Initial release
+* Support reading metadata of cards of standard ISO 14443-4 Type A & Type B (NFC-A / NFC-B / Mifare Classic / Mifare Ultralight)
+* Support transceiving APDU with cards of standard ISO 7816
+
+## 0.0.2
+
+* Support reading metadata of cards of standard ISO 18092 / JIS 6319 (NFC-F / Felica)
+* Support reading metadata of cards of standard ISO 15963 (NFC-V)
+* Support reading GUID of China ID Card (which is non-standard)
+* Add more documentation
+* Release with MIT License
diff --git a/LICENSE b/LICENSE
index ba75c69..221cbe5 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1 +1,21 @@
-TODO: Add your license here.
+MIT License
+
+Copyright (c) 2020 nfc.im
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
index bd0bb0b..cdf9884 100644
--- a/README.md
+++ b/README.md
@@ -1,14 +1,27 @@
 # Flutter NFC Kit
 
-Flutter plugin to provide NFC functionality on Android and iOS.
+Yet another plugin to provide NFC functionality on Android and iOS.
+
+This plugin supports:
+
+* read metadata of cards complying with:
+  * ISO 14443-4 Type A & Type B (NFC-A / NFC-B / Mifare Classic / Mifare Ultralight)
+  * ISO 18092 / JIS 6319 (NFC-F / Felica)
+  * ISO 15963 (NFC-V)
+  * China ID Card (non-standard, GUID only)
+* transceive APDU with smart cards complying with ISO 7816
+
+Note that due to API limitations not all operations are supported on both platforms.
 
 ## Setup
 
-### Android Setup
+Thank [nfc_manager](https://pub.dev/packages/nfc_manager) plugin to these instructions.
+
+### Android
 
 * Add [android.permission.NFC](https://developer.android.com/reference/android/Manifest.permission.html#NFC) to your `AndroidManifest.xml`.
 
-### iOS Setup
+### iOS
 
 * Add [Near Field Communication Tag Reader Session Formats Entitlements](https://developer.apple.com/documentation/bundleresources/entitlements/com_apple_developer_nfc_readersession_formats) to your entitlements.
 
@@ -18,4 +31,25 @@ Flutter plugin to provide NFC functionality on Android and iOS.
 
 ## Usage
 
-To be done.
+Simple example:
+
+```dart
+import 'package:flutter_nfc_kit/flutter_nfc_kit.dart';
+
+var availability = await FlutterNfcKit.nfcAvailability;
+if (availability != NFCAvailability.available) {
+    // oh-no
+}
+
+var tag = await FlutterNfcKit.poll();
+print(jsonEncode(tag));
+if (tag.type == NFCTagType.iso7816) {
+    var result = await FlutterNfcKit.transceive("00B0950000");
+    print(result);
+}
+await FlutterNfcKit.finish();
+```
+
+A more complicated example can be seen in `example` dir.
+
+Refer to the [documentation](https://pub.dev/documentation/flutter_nfc_kit/) for more information.
diff --git a/example/README.md b/example/README.md
index 0242904..06036fc 100644
--- a/example/README.md
+++ b/example/README.md
@@ -1,16 +1,3 @@
-# flutter_nfc_kit_example
+# Example of flutter_nfc_kit
 
-Demonstrates how to use the flutter_nfc_kit plugin.
-
-## Getting Started
-
-This project is a starting point for a Flutter application.
-
-A few resources to get you started if this is your first Flutter project:
-
-- [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab)
-- [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook)
-
-For help getting started with Flutter, view our
-[online documentation](https://flutter.dev/docs), which offers tutorials,
-samples, guidance on mobile development, and a full API reference.
+We provide both Android and iOS examples in this project.