@Ajinkya
// Actions action= new Actions(driver);
// action.moveToElement(elt, 611, 722).click().perform(); - not correct.
// it is needed something like
new TouchAction((MobileDriver) drive).press(startx, starty).waitAction(duration).moveTo(endx, endy).release().perform();
// driver.findElement(By.className(“android.view.ViewGroup[@index=‘4’]”)).click(); ->
driver.findElements(MobileBy.className(“android.view.ViewGroup”)).get(3).click(); // starting from 0,1,2,3,....