Explain where the Go function is being invoked.
diff --git a/Mobile.md b/Mobile.md
index dc2837c..7de5de2 100644
--- a/Mobile.md
+++ b/Mobile.md
@@ -116,6 +116,8 @@
* Open hello/build.gradle to edit the absolute path to GOPATH and GO.
* Build and deploy the application to the device.
+The app module contains the main application that invokes the `hello.Greetings`. When application is launched the text view is updated with the string returned value.
+
If you are not using Android Studio, in order to work with bindings for Android, you need to have [Android SDK](https://developer.android.com/sdk/index.html#Other) installed and ANDROID_HOME environment variable set to the SDK path.
```
