diff --git a/README.md b/README.md
index 2b0cbcd..033f201 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 cordova-plugin-startapp
 ===========================================================================
 
-Phonegap 3.0.0 plugin for launch other application in android device.
+Phonegap 3.*.* plugin for check or launch other application in android device.
 
 
 Install: ```cordova plugin add https://github.com/lampaa/org.apache.cordova.startapp.git```
@@ -9,6 +9,41 @@ Install: ```cordova plugin add https://github.com/lampaa/org.apache.cordova.star
 Delete:  ```cordova plugin rm org.apache.cordova.startapp```
 
 use: 
+
+**Check the application is installed**
+
 ```js
-navigator.startApp("com.example.hello");
+navigator.startApp.check("com.example.hello", function(message) { /* success */
+	console.log(message); // => OK
+}, 
+function(error) { /* error */
+	console.log('47', error);
+});
+```
+
+**Start application without parameters**
+
+```js
+navigator.startApp.start("com.example.hello", function(message) { /* success */
+	console.log(message); // => OK
+}, 
+function(error) { /* error */
+	console.log('47', error);
+});
+```
+
+**Start application with parameters**
+
+```js
+navigator.startApp.start([
+	'com.teaway.teamenu', // applucation
+	'com.teaway.teamenu.MainActivity', // activity
+	'product_id', // key
+	'102' // value
+], function(message) { /* success */
+	console.log(message); // => OK
+}, 
+function(error) { /* error */
+	console.log('47', error);
+});
 ```
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