how to create remote webdriver
String hubURL = "http://myip:4444/wd/hub";
DesiredCapabilities capability = DesiredCapabilities.chrome();
capability.setBrowserName("internet explorer");
capability.setPlatform("WINDOWS");
capability.setVersion("9.0.4");
WebDriver driver = new RemoteWebDriver(new URL(hubURL), capability);
driver.get("http://www.google.com");