appium issue, not able to launch two apps - selenium

Question

I am not able to launch two apps in single script using APPIUM, it shows error as
An unknown server-side error occurred while processing the command.
The desired should not include both of an 'appPackage' and a
'browserName'
public class SalesLeadProg {
public AndroidDriver<MobileElement> driver;
private WebElement element; public WebDriverWait wait;
#BeforeMethod
public void setup() throws MalformedURLException, InterruptedException {
DOMConfigurator.configure("log4j.xml");
DesiredCapabilities caps = new DesiredCapabilities();
caps.setCapability("automationName", "UiAutomator2");
caps.setCapability("deviceName", "sunil");
caps.setCapability("udid", "422b21e7");
caps.setCapability("platformName", "Android");
caps.setCapability("platformVersion", "8.1.0");
caps.setCapability("appPackage", "com.mfcwl.mfc_dealer");
caps.setCapability("appActivity", "com.mfcwl.mfc_dealer.Activity.SplashActivity");
caps.setCapability("autoAcceptAlerts", true);
caps.setCapability("noReset", true);
caps.setCapability("browserName", "Chrome");
//it will launch the chrome browser in mobile
caps.setCapability(ChromeOptions.CAPABILITY, true);
ChromeOptions options=new ChromeOptions();
options.setExperimentalOption("androidPackage", "com.android.chrome");
caps.setCapability("autoGrantPermissions", true);
// to allow the permission of contacts camara, which comes in the begining when we install the app*/
caps.setCapability("unicodeKeyboard", true);
// to make the keyboard working
caps.setCapability("resetKeyboard", false);
// it
try {
driver = new AndroidDriver<MobileElement> (new URL("0.0.0.0:4723/wd/hub"),caps);
}
catch(MalformedURLException e) {
System.out.println(e);
}
driver.manage().timeouts().implicitlyWait(16, TimeUnit.SECONDS);
}
#Test
public void Dashboard() throws MalformedURLException, InterruptedException {
MobileElement email = driver.findElement(By.id("com.mfcwl.mfc_dealer:id/email"));
Thread.sleep(4000);
WebDriverWait wait = new WebDriverWait(driver, 10);
wait.until(ExpectedConditions.visibilityOf(email));
boolean isElementPresent = email.isDisplayed();
System.out.println(isElementPresent);
Thread.sleep(4000);
driver.findElementById("com.mfcwl.mfc_dealer:id/email").clear();
driver.findElementById("com.mfcwl.mfc_dealer:id/email").sendKeys("prestige");
System.out.println("Entered ID");
driver.findElement(By.id("com.mfcwl.mfc_dealer:id/password")).clear();
driver.findElement(By.id("com.mfcwl.mfc_dealer:id/password")).sendKeys("Mahindra");
System.out.println("Entered Password");
driver.findElement(By.id("com.mfcwl.mfc_dealer:id/email_sign_in_button")).click();
//to login
System.out.println("Signed IN");
Thread.sleep(4000);
driver.findElement(By.id("com.mfcwl.mfc_dealer:id/homeTab")).click();
//to click on home button
System.out.println("Clicked on Home button");
Thread.sleep(3000); //Set ChromeDriver location
System.setProperty("webdriver.chrome.driver", "./ChromeDriver/chromedriver.exe");
driver.get("google.com/"); driver.findElement(By.id("com.mfcwl.mfc_dealer:id/click_lead")).click();
System.out.println("Clicked on Today's follow up leads section");
driver.findElement(By.id("com.mfcwl.mfc_dealer:id/lead_filter")).click();
Please assist with a solution on how to use two apps in APPIUM with a single script.