diff --git a/app/.gitignore b/app/.gitignore
index 75a476917..907bb268c 100644
--- a/app/.gitignore
+++ b/app/.gitignore
@@ -1,3 +1,4 @@
+/src/main/assets/NOTICE
 /build
 /src/main/java-gen
 manifest-merger-release-report.txt
diff --git a/app/build.gradle b/app/build.gradle
index f39847d36..7c1b1a30e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -60,6 +60,11 @@ clean {
     delete file('src/main/libs').absolutePath
 }
 
+task copyNotice(type: Copy) {
+    from '../NOTICE'
+    into './src/main/assets'
+}
+
 dependencies {
     compile project(':beerbelly')
     compile project(':conaco')
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index cd4a972b6..f963479de 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -74,6 +74,12 @@
             android:theme="@style/AppTheme.NoActionBar"
             android:label="@string/dir_picker"/>
 
+        <activity
+            android:name="com.hippo.ehviewer.ui.LicenseActivity"
+            android:configChanges="screenSize|uiMode"
+            android:theme="@style/AppTheme.NoActionBar"
+            android:label="@string/license"/>
+
         <service
             android:name="com.hippo.ehviewer.download.DownloadService"
             android:icon="@mipmap/ic_launcher"
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/LicenseActivity.java b/app/src/main/java/com/hippo/ehviewer/ui/LicenseActivity.java
new file mode 100644
index 000000000..4390af679
--- /dev/null
+++ b/app/src/main/java/com/hippo/ehviewer/ui/LicenseActivity.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2016 Hippo Seven
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.hippo.ehviewer.ui;
+
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.view.MenuItem;
+import android.webkit.WebView;
+
+import com.hippo.ehviewer.R;
+
+public class LicenseActivity extends ToolbarActivity {
+
+    @Nullable
+    private WebView mWebView;
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mWebView = new WebView(this);
+        mWebView.loadUrl("file:///android_asset/NOTICE");
+        setContentView(mWebView);
+
+        setNavigationIcon(R.drawable.v_arrow_left_dark_x24);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+
+        if (null != mWebView) {
+            mWebView.destroy();
+            mWebView = null;
+        }
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                finish();
+                return true;
+            default:
+                return super.onOptionsItemSelected(item);
+        }
+    }
+}
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/SettingsActivity.java b/app/src/main/java/com/hippo/ehviewer/ui/SettingsActivity.java
index cb74764ec..c8ec38946 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/SettingsActivity.java
+++ b/app/src/main/java/com/hippo/ehviewer/ui/SettingsActivity.java
@@ -32,7 +32,6 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ListAdapter;
 
-import com.hippo.app.AppCompatPreferenceActivity;
 import com.hippo.ehviewer.R;
 import com.hippo.ehviewer.ui.fragment.AboutFragment;
 import com.hippo.ehviewer.ui.fragment.DownloadFragment;
@@ -43,7 +42,7 @@ import com.hippo.util.DrawableManager;
 import java.lang.reflect.Field;
 import java.util.List;
 
-public final class SettingsActivity extends AppCompatPreferenceActivity {
+public final class SettingsActivity extends TrackedPreferenceActivity {
 
     private static final int REQUEST_CODE_FRAGMENT = 0;
 
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/fragment/AboutFragment.java b/app/src/main/java/com/hippo/ehviewer/ui/fragment/AboutFragment.java
index bee2ad4e6..25a3b6b55 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/fragment/AboutFragment.java
+++ b/app/src/main/java/com/hippo/ehviewer/ui/fragment/AboutFragment.java
@@ -16,22 +16,55 @@
 
 package com.hippo.ehviewer.ui.fragment;
 
+import android.content.Intent;
 import android.os.Bundle;
 import android.preference.Preference;
 import android.preference.PreferenceFragment;
+import android.support.v7.app.AlertDialog;
 
 import com.hippo.ehviewer.Analytics;
 import com.hippo.ehviewer.R;
 import com.hippo.ehviewer.Settings;
+import com.hippo.ehviewer.UrlOpener;
+import com.hippo.ehviewer.ui.LicenseActivity;
+import com.hippo.util.ActivityHelper;
 
-public class AboutFragment extends PreferenceFragment implements Preference.OnPreferenceChangeListener {
+public class AboutFragment extends PreferenceFragment
+        implements Preference.OnPreferenceChangeListener,
+        Preference.OnPreferenceClickListener {
+
+    private static final String KEY_AUTHOR = "author";
+    private static final String KEY_GOOGLE_PLUS = "google_plus";
+    private static final String KEY_WEBSITE = "website";
+    private static final String KEY_SOURCE = "source";
+    private static final String KEY_CHANGELOG = "changelog";
+    private static final String KEY_LICENSE = "license";
+    private static final String KEY_DONATE = "donate";
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         addPreferencesFromResource(R.xml.about_settings);
 
+        Preference author = findPreference(KEY_AUTHOR);
+        Preference googlePlus = findPreference(KEY_GOOGLE_PLUS);
         Preference enableAnalytics = findPreference(Settings.KEY_ENABLE_ANALYTICS);
+        Preference website = findPreference(KEY_WEBSITE);
+        Preference source = findPreference(KEY_SOURCE);
+        Preference changelog = findPreference(KEY_CHANGELOG);
+        Preference license = findPreference(KEY_LICENSE);
+        Preference donate = findPreference(KEY_DONATE);
+
+        author.setSummary(getString(R.string.settings_about_author_summary).replace('$', '@'));
+
+        author.setOnPreferenceClickListener(this);
+        googlePlus.setOnPreferenceClickListener(this);
+        website.setOnPreferenceClickListener(this);
+        source.setOnPreferenceClickListener(this);
+        changelog.setOnPreferenceClickListener(this);
+        license.setOnPreferenceClickListener(this);
+        donate.setOnPreferenceClickListener(this);
+
         enableAnalytics.setOnPreferenceChangeListener(this);
     }
 
@@ -45,4 +78,34 @@ public class AboutFragment extends PreferenceFragment implements Preference.OnPr
         }
         return true;
     }
+
+    @Override
+    public boolean onPreferenceClick(Preference preference) {
+        String key = preference.getKey();
+        if (KEY_AUTHOR.equals(key)) {
+            ActivityHelper.sendEmail(getActivity(), "ehviewersu$gmail.com".replace('$', '@'),
+                    "About EhViewer", null);
+        } else if (KEY_GOOGLE_PLUS.equals(key)) {
+            UrlOpener.openUrl(getActivity(), "https://plus.google.com/communities/103823982034655188459",
+                    false, true);
+        } else if (KEY_WEBSITE.equals(key)) {
+            UrlOpener.openUrl(getActivity(), "http://www.ehviewer.com",
+                    false, true);
+        } else if (KEY_SOURCE.equals(key)) {
+            UrlOpener.openUrl(getActivity(), "https://github.com/seven332/EhViewer",
+                    false, true);
+        } else if (KEY_CHANGELOG.equals(key)) {
+            UrlOpener.openUrl(getActivity(), "http://www.ehviewer.com/changlog",
+                    false, true);
+        } else if (KEY_LICENSE.equals(key)) {
+            Intent intent = new Intent(getActivity(), LicenseActivity.class);
+            startActivity(intent);
+        } else if (KEY_DONATE.equals(key)) {
+            new AlertDialog.Builder(getActivity())
+                    .setTitle(R.string.settings_about_donate)
+                    .setMessage(getString(R.string.settings_about_donate_message).replace('$', '@'))
+                    .show();
+        }
+        return true;
+    }
 }
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index c81c0b183..d0a769c79 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -300,6 +300,14 @@
     <string name="settings_download_document">文档</string>
 
     <string name="settings_about_title">关于</string>
+    <string name="settings_about_author_title">作者</string>
+    <string name="settings_about_google_plus_title">Google+ 社群</string>
+    <string name="settings_about_website_title">网站</string>
+    <string name="settings_about_source_title">源码</string>
+    <string name="settings_about_changelog_title">更新日志</string>
+    <string name="settings_about_license_title">开源许可</string>
+    <string name="settings_about_donate">捐赠</string>
+    <string name="settings_about_donate_message">你的捐赠能帮助我开发更多更好的应用。\n\n支付宝：seven332$163.com</string>
     <string name="settings_about_enable_analytics">启用数据统计</string>
     <string name="settings_about_about_analytics">关于数据统计</string>
 
diff --git a/app/src/main/res/values-zh-rHK/strings.xml b/app/src/main/res/values-zh-rHK/strings.xml
index 3eab9415d..7db0a1afa 100644
--- a/app/src/main/res/values-zh-rHK/strings.xml
+++ b/app/src/main/res/values-zh-rHK/strings.xml
@@ -300,6 +300,14 @@
     <string name="settings_download_document">文檔</string>
 
     <string name="settings_about_title">關於</string>
+    <string name="settings_about_author_title">作者</string>
+    <string name="settings_about_google_plus_title">Google+ 社羣</string>
+    <string name="settings_about_website_title">網站</string>
+    <string name="settings_about_source_title">源碼</string>
+    <string name="settings_about_changelog_title">更新日誌</string>
+    <string name="settings_about_license_title">開源許可</string>
+    <string name="settings_about_donate">捐贈</string>
+    <string name="settings_about_donate_message">你的捐贈能幫助我開發更多更好的應用。\n\n支付寶：seven332$163.com</string>
     <string name="settings_about_enable_analytics">啟用數據統計</string>
     <string name="settings_about_about_analytics">關於數據統計</string>
 
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index b7149b48f..e07dac711 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -300,6 +300,14 @@
     <string name="settings_download_document">文件</string>
 
     <string name="settings_about_title">關於</string>
+    <string name="settings_about_author_title">作者</string>
+    <string name="settings_about_google_plus_title">Google+ 社群</string>
+    <string name="settings_about_website_title">網站</string>
+    <string name="settings_about_source_title">源碼</string>
+    <string name="settings_about_changelog_title">更新日誌</string>
+    <string name="settings_about_license_title">開源許可</string>
+    <string name="settings_about_donate">捐贈</string>
+    <string name="settings_about_donate_message">你的捐贈能幫助我開發更多更好的應用。\n\n支付寶：seven332$163.com</string>
     <string name="settings_about_enable_analytics">啟用資料統計</string>
     <string name="settings_about_about_analytics">關於資料統計</string>
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index f689602af..eb8781d83 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -339,9 +339,20 @@
     <string name="settings_download_document">Document</string>
 
     <string name="settings_about_title">About</string>
+    <string name="settings_about_author_title">Author</string>
+    <string name="settings_about_author_summary" translatable="false">Hippo &lt;ehviewersu$gmail.com&gt;</string>
+    <string name="settings_about_google_plus_title">Google+ Community</string>
+    <string name="settings_about_website_title">Website</string>
+    <string name="settings_about_source_title">Source</string>
+    <string name="settings_about_changelog_title">Changelog</string>
+    <string name="settings_about_license_title">License</string>
+    <string name="settings_about_donate">Donate</string>
+    <string name="settings_about_donate_message">Your donation can help me develop more and better applications.\n\nAlipay: seven332$163.com</string>
     <string name="settings_about_enable_analytics">Enable analytics</string>
     <string name="settings_about_about_analytics">About analytics</string>
 
+    <string name="license">License</string>
+
     <!-- Dir Picker-->
     <string name="dir_picker">Dir picker</string>
     <string name="directory_not_writable">The directory is not writable</string>
diff --git a/app/src/main/res/xml/about_settings.xml b/app/src/main/res/xml/about_settings.xml
index 087ee1b6c..5788e6177 100644
--- a/app/src/main/res/xml/about_settings.xml
+++ b/app/src/main/res/xml/about_settings.xml
@@ -18,6 +18,34 @@
 <PreferenceScreen
     xmlns:android="http://schemas.android.com/apk/res/android">
 
+    <Preference
+        android:key="author"
+        android:title="@string/settings_about_author_title"/>
+
+    <Preference
+        android:key="google_plus"
+        android:title="@string/settings_about_google_plus_title"/>
+
+    <Preference
+        android:key="website"
+        android:title="@string/settings_about_website_title"/>
+
+    <Preference
+        android:key="source"
+        android:title="@string/settings_about_source_title"/>
+
+    <Preference
+        android:key="changelog"
+        android:title="@string/settings_about_changelog_title"/>
+
+    <Preference
+        android:key="license"
+        android:title="@string/settings_about_license_title"/>
+
+    <Preference
+        android:key="donate"
+        android:title="@string/settings_about_donate"/>
+
     <com.hippo.preference.FixedSwitchPreference
         style="?android:attr/preferenceStyle"
         android:widgetLayout="@layout/preference_widget_fixed_switch"