diff --git a/info/api/WebTwain_Acquire.md b/info/api/WebTwain_Acquire.md
index b5523118..f31380ef 100644
--- a/info/api/WebTwain_Acquire.md
+++ b/info/api/WebTwain_Acquire.md
@@ -8,10 +8,13 @@ description: Dynamic Web TWAIN SDK Documentation API Reference Acquire APIs Page
 permalink: /info/api/WebTwain_Acquire.html
 ---
 
+
 # {WebTwainObject} Scan
 
 > The properties and methods on this page live in the namespace {WebTwainObject}. {WebTwainObject} denotes the `WebTwain` instance. Learn about [how to create a web twain object]({{site.indepth}}features/initialize.html#creating-the-webtwain-instance).
 
+<div class="multi-panel-switching-prefix"></div>- [Desktop Service](#desktop) - [Android Service](#android) 
+<div class="multi-panel-start"></div>
 **1. The following APIs are compatible with TWAIN, ICA, SANE (Windows, macOS and Linux)** 
 
 **Methods**
@@ -78,6 +81,26 @@ permalink: /info/api/WebTwain_Acquire.html
 | :------------------------------------ |
 | [`OnSourceUIClose`](#onsourceuiclose) |
 
+<div class="multi-panel-end">
+
+</div><div class="multi-panel-start"></div>
+
+**Methods**
+
+|                                                     |
+| :-------------------------------------------------- | :---------------------------------------------------------- | --------------------------------------------------- | --------------------------------------------------------- |
+| [`SelectSourceAsync()`](#selectsourceasync)  | [`CloseSourceAsync()`](#closesourceasync)  | [`GetDevicesAsync()`](#getdevicesasync)   | [`SelectDeviceAsync()`](#selectdeviceasync)                   |
+| [`AcquireImageAsync()`](#acquireimageasync)   |
+
+**Events**
+
+|                                       |
+| :------------------------------------ |
+| [`OnPostTransferAsync`](#onposttransferasync)  |
+
+<div class="multi-panel-end"></div>
+<div class="multi-panel-switching-end"></div>
+
 ---
 
 ## AcquireImage
diff --git a/info/schedule/Stable.md b/info/schedule/Stable.md
index 40884324..21213045 100644
--- a/info/schedule/Stable.md
+++ b/info/schedule/Stable.md
@@ -21,7 +21,7 @@ permalink: /info/schedule/Stable.html
 
 
 #### Optimized Android Service for document scanning from Android devices
-- The Android service is available on the <a href="https://play.google.com/store/apps/details?id=com.dynamsoft.mobilescan" target="_blank">Google Play Store</a>.
+- The <a href="https://demo.dynamsoft.com/DWT/Resources/dist/DynamsoftServiceSetup.apk" target="_blank">Android service</a> is available now. <!--Google Play Store.-->
 - Expanded the capabilities of the Android platform. <!--See the APIs supported on Android service. -->
 
 #### Remote Scan