diff --git a/html/activesync.android.html b/html/activesync.android.html
new file mode 100644
index 00000000..89e7a07f
--- /dev/null
+++ b/html/activesync.android.html
@@ -0,0 +1,80 @@
+<html>
+    <head>
+        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+        <title>Exchange ActiveSync: Setup Android devices</title>
+        <link href="./css/markdown.css" rel="stylesheet"></head>
+    </head>
+    <body>
+    
+    <div id="navigation">
+        <a href="http://www.iredmail.org" target="_blank">iRedMail web site</a>
+    
+        // <a href="./index.html">Document Index</a>
+    </div><h1 id="exchange-activesync-setup-android-devices">Exchange ActiveSync: Setup Android devices</h1>
+<blockquote>
+<p>Important notes:</p>
+<ul>
+<li>
+<p>SOGo provides <strong>EAS (Exchange ActiveSync)</strong> support, but not <strong>EWS
+  (Exchange Web Service)</strong>.</p>
+</li>
+<li>
+<p>Outlook 2013 for Windows works well with EAS.</p>
+</li>
+<li>
+<p>Below mobile devices works well with EAS, they will sync mails, calendars,
+  contacts, tasks, memos/notes.</p>
+<ul>
+<li>BlackBerry 10 devices</li>
+<li>iOS devices (iPad, iPhone). Tested with iOS 8.1.3.</li>
+<li>Android devices. Tested with OS v4.0.</li>
+</ul>
+</li>
+<li>
+<p>Apple Mail.app, and Outlook for Mac support EWS. But not EAS.</p>
+</li>
+<li>Outlook 2010 for Windows supports MAPI.</li>
+<li>iRedMail-0.9.0 doesn't integrate <a href="http://www.openchange.org">OpenChange</a> and
+  <a href="http://www.samba.org">Samba4</a> for native MAPI support, so SOGo groupware
+  in iRedMail doesn't provide full support for Microsoft Outlook clients,
+  Mac OS X Mail.app and all iOS devices, don't try to add your mail account
+  as an <code>Exchange</code> account in these mail clients. You have to add separate
+  POP3/IMAP account, caldav/carddav account instead.</li>
+</ul>
+</blockquote>
+<h2 id="requirements">Requirements</h2>
+<ul>
+<li>iRedMail-0.9.0 or later releases is required.</li>
+<li>You must choose to install SOGo groupware during iRedMail installation.</li>
+</ul>
+<h2 id="step-by-step-configuration">Step-by-step configuration</h2>
+<p>1: Open application <code>Mail</code> on home screen:</p>
+<p><img alt="" src="./images/sogo/android.mail.png" /></p>
+<p>2: Fill your full email address and password in <code>Account Setup</code> page:</p>
+<p><img alt="" src="./images/sogo/android.account.setup.png" /></p>
+<p>3: If it asks you to choose <code>Account Type</code>, please choose <code>Exchange</code>:</p>
+<p><img alt="" src="./images/sogo/android.account.type.png" /></p>
+<p>4: In detailed account setup page, fill up the form with your server address
+   and email account credential</p>
+<ul>
+<li>Domain\Username: <code>your full email address</code></li>
+<li>Password: <code>password of your email account</code></li>
+<li>Server: <code>your server name or IP address</code></li>
+<li>Port: <code>443</code></li>
+</ul>
+<p>Please also check <code>Use secure connection (SSL)</code> and <code>Accept all SSL certificates</code>:</p>
+<p><img alt="" src="./images/sogo/android.account.details.png" /></p>
+<p>5: In <code>Account Settings</code> page, you can choose Push. it's all up to you.</p>
+<p><img alt="" src="./images/sogo/android.account.settings.png" /></p>
+<p>6: Choose a name for your Exchange account.</p>
+<p><img alt="" src="./images/sogo/android.account.name.png" /></p>
+<p>Click <code>Next</code> to finish account setup. That's all.</p><p style="text-align: center; color: grey;">Document published under a <a href="http://creativecommons.org/licenses/by-nd/3.0/us/" target="_blank">CC BY-ND 3.0</a> license. If you found something wrong, please do <a href="http://www.iredmail.org/contact.html">contact us</a> to fix it.<script>
+  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+  })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
+
+  ga('create', 'UA-3293801-21', 'auto');
+  ga('send', 'pageview');
+</script>
+</body></html>
\ No newline at end of file
diff --git a/html/activesync.bb10.html b/html/activesync.bb10.html
index a13db4c2..a7c2dc5a 100644
--- a/html/activesync.bb10.html
+++ b/html/activesync.bb10.html
@@ -27,6 +27,7 @@
 <ul>
 <li>BlackBerry 10 devices</li>
 <li>iOS devices (iPad, iPhone). Tested with iOS 8.1.3.</li>
+<li>Android devices. Tested with OS v4.0.</li>
 </ul>
 </li>
 <li>
diff --git a/html/activesync.ios.html b/html/activesync.ios.html
index a8fb6f50..21c57bbb 100644
--- a/html/activesync.ios.html
+++ b/html/activesync.ios.html
@@ -27,6 +27,7 @@
 <ul>
 <li>BlackBerry 10 devices</li>
 <li>iOS devices (iPad, iPhone). Tested with iOS 8.1.3.</li>
+<li>Android devices. Tested with OS v4.0.</li>
 </ul>
 </li>
 <li>
diff --git a/html/activesync.outlook.html b/html/activesync.outlook.html
index 3f754744..979fbf88 100644
--- a/html/activesync.outlook.html
+++ b/html/activesync.outlook.html
@@ -27,6 +27,7 @@
 <ul>
 <li>BlackBerry 10 devices</li>
 <li>iOS devices (iPad, iPhone). Tested with iOS 8.1.3.</li>
+<li>Android devices. Tested with OS v4.0.</li>
 </ul>
 </li>
 <li>
diff --git a/html/images/sogo/android.account.details.png b/html/images/sogo/android.account.details.png
new file mode 100755
index 00000000..514c637c
Binary files /dev/null and b/html/images/sogo/android.account.details.png differ
diff --git a/html/images/sogo/android.account.name.png b/html/images/sogo/android.account.name.png
new file mode 100755
index 00000000..4042e283
Binary files /dev/null and b/html/images/sogo/android.account.name.png differ
diff --git a/html/images/sogo/android.account.settings.png b/html/images/sogo/android.account.settings.png
new file mode 100755
index 00000000..62775ff1
Binary files /dev/null and b/html/images/sogo/android.account.settings.png differ
diff --git a/html/images/sogo/android.account.setup.png b/html/images/sogo/android.account.setup.png
new file mode 100755
index 00000000..a6fd5b30
Binary files /dev/null and b/html/images/sogo/android.account.setup.png differ
diff --git a/html/images/sogo/android.account.type.png b/html/images/sogo/android.account.type.png
new file mode 100755
index 00000000..0fed86c9
Binary files /dev/null and b/html/images/sogo/android.account.type.png differ
diff --git a/html/images/sogo/android.mail.png b/html/images/sogo/android.mail.png
new file mode 100644
index 00000000..b668a1b1
Binary files /dev/null and b/html/images/sogo/android.mail.png differ
diff --git a/html/index.html b/html/index.html
index 9575df71..617018a6 100644
--- a/html/index.html
+++ b/html/index.html
@@ -34,6 +34,7 @@
 <h3 id="configure-mail-client-applications">Configure mail client applications</h3>
 <p>If you're using different mail clients, please help write documents to guide other users to setup the mail clients.</p>
 <ul>
+<li><a href="activesync.android.html">Exchange ActiveSync: Setup Android devices</a></li>
 <li><a href="activesync.bb10.html">Exchange ActiveSync: Setup BlackBerry 10 devices</a></li>
 <li><a href="activesync.ios.html">Exchange ActiveSync: Setup iOS devices</a></li>
 <li><a href="activesync.outlook.html">Exchange ActiveSync: Setup Outlook 2013 for Windows</a></li>
diff --git a/mua/activesync.android.md b/mua/activesync.android.md
new file mode 100644
index 00000000..37e5fa33
--- /dev/null
+++ b/mua/activesync.android.md
@@ -0,0 +1,65 @@
+# Exchange ActiveSync: Setup Android devices
+
+> Important notes:
+>
+> * SOGo provides __EAS (Exchange ActiveSync)__ support, but not __EWS
+>   (Exchange Web Service)__.
+>
+> * Outlook 2013 for Windows works well with EAS.
+>
+> * Below mobile devices works well with EAS, they will sync mails, calendars,
+>   contacts, tasks, memos/notes.
+>
+>       * BlackBerry 10 devices
+>       * iOS devices (iPad, iPhone). Tested with iOS 8.1.3.
+>       * Android devices. Tested with OS v4.0.
+>
+> * Apple Mail.app, and Outlook for Mac support EWS. But not EAS.
+> * Outlook 2010 for Windows supports MAPI.
+> * iRedMail-0.9.0 doesn't integrate [OpenChange](http://www.openchange.org) and
+>   [Samba4](http://www.samba.org) for native MAPI support, so SOGo groupware
+>   in iRedMail doesn't provide full support for Microsoft Outlook clients,
+>   Mac OS X Mail.app and all iOS devices, don't try to add your mail account
+>   as an `Exchange` account in these mail clients. You have to add separate
+>   POP3/IMAP account, caldav/carddav account instead.
+
+## Requirements
+
+* iRedMail-0.9.0 or later releases is required.
+* You must choose to install SOGo groupware during iRedMail installation.
+
+## Step-by-step configuration
+
+1: Open application `Mail` on home screen:
+
+![](./images/sogo/android.mail.png)
+
+2: Fill your full email address and password in `Account Setup` page:
+
+![](./images/sogo/android.account.setup.png)
+
+3: If it asks you to choose `Account Type`, please choose `Exchange`:
+
+![](./images/sogo/android.account.type.png)
+
+4: In detailed account setup page, fill up the form with your server address
+   and email account credential
+
+* Domain\Username: `your full email address`
+* Password: `password of your email account`
+* Server: `your server name or IP address`
+* Port: `443`
+
+Please also check `Use secure connection (SSL)` and `Accept all SSL certificates`:
+
+![](./images/sogo/android.account.details.png)
+
+5: In `Account Settings` page, you can choose Push. it's all up to you.
+
+![](./images/sogo/android.account.settings.png)
+
+6: Choose a name for your Exchange account.
+
+![](./images/sogo/android.account.name.png)
+
+Click `Next` to finish account setup. That's all.
diff --git a/mua/activesync.bb10.md b/mua/activesync.bb10.md
index ac1ff9cb..cf489cac 100644
--- a/mua/activesync.bb10.md
+++ b/mua/activesync.bb10.md
@@ -12,6 +12,7 @@
 >
 >       * BlackBerry 10 devices
 >       * iOS devices (iPad, iPhone). Tested with iOS 8.1.3.
+>       * Android devices. Tested with OS v4.0.
 >
 > * Apple Mail.app, and Outlook for Mac support EWS. But not EAS.
 > * Outlook 2010 for Windows supports MAPI.
diff --git a/mua/activesync.ios.md b/mua/activesync.ios.md
index c944e29d..bfdcefb8 100644
--- a/mua/activesync.ios.md
+++ b/mua/activesync.ios.md
@@ -12,6 +12,7 @@
 >
 >       * BlackBerry 10 devices
 >       * iOS devices (iPad, iPhone). Tested with iOS 8.1.3.
+>       * Android devices. Tested with OS v4.0.
 >
 > * Apple Mail.app, and Outlook for Mac support EWS. But not EAS.
 > * Outlook 2010 for Windows supports MAPI.
diff --git a/mua/activesync.outlook.md b/mua/activesync.outlook.md
index 9ba64e16..75ccd47b 100644
--- a/mua/activesync.outlook.md
+++ b/mua/activesync.outlook.md
@@ -12,6 +12,7 @@
 >
 >       * BlackBerry 10 devices
 >       * iOS devices (iPad, iPhone). Tested with iOS 8.1.3.
+>       * Android devices. Tested with OS v4.0.
 >
 > * Apple Mail.app, and Outlook for Mac support EWS. But not EAS.
 > * Outlook 2010 for Windows supports MAPI.
