updated readme

Author: somebodysmokein

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README.md

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+# testng-appium-app-browserstack
+
+This repository demonstrates how to run Appium tests in [TestNG](http://testng.org) on BrowserStack App Automate using BrowserStack SDK.
+
+![BrowserStack Logo](https://d98b8t1nnulk5.cloudfront.net/production/images/layout/logo-header.png?1469004780)
+
+## Setup
+
+### Requirements
+
+1. Java 8+
+
+    - If Java is not installed, follow these instructions:
+        - For Windows, download latest java version from [here](https://java.com/en/download/) and run the installer executable
+        - For Mac and Linux, run `java -version` to see what java version is pre-installed. If you want a different version download from [here](https://java.com/en/download/)
+
+2. Maven (Only required if using Maven as the build tool)
+   - If Maven is not downloaded, download it from [here](https://maven.apache.org/download.cgi)
+   - For installation, follow the instructions [here](https://maven.apache.org/install.html)
+
+
+### Install the dependencies
+
+To install the dependencies for tests, run :
+```sh
+mvn clean
+```
+
+
+## Getting Started
+
+Getting Started with Appium tests in TestNg on BrowserStack couldn't be easier!
+
+### **Run Sample test :**
+
+- **For Maven:** Run the following command to execute tests in the Maven environment:  
+    ```sh
+    mvn test -P sample-test
+    ```
+    
+
+## Integration with other Java frameworks
+
+For other Java frameworks samples, refer to following repositories :
+
+- [JUnit](https://github.com/browserstack/junit-appium-app-browserstack)
+- [Java](https://github.com/browserstack/java-appium-app-browserstack)
+
+Note: For other test frameworks supported by App-Automate refer our [Developer documentation](https://www.browserstack.com/docs/)
+
+## Getting Help
+
+If you are running into any issues or have any queries, please check [Browserstack Support page](https://www.browserstack.com/support/app-automate) or [get in touch with us](https://www.browserstack.com/contact?ref=help).