Appium.cs

private static AndroidDriver<AndroidElement> _driver;

[ClassInitialize]
public static void ClassInitialize(TestContext context)
{
    var appiumOptions = new AppiumOptions();
    appiumOptions.AddAdditionalCapability("deviceName", "android");
    appiumOptions.AddAdditionalCapability("appPackage", "io.appium.android.apis");
    appiumOptions.AddAdditionalCapability("version", "6.0");
    appiumOptions.AddAdditionalCapability("appActivity", ".ApiDemos");
    appiumOptions.AddAdditionalCapability("app", "https://exampleFileshare.com/ApiDemos-debug.apk"); // upload ApiDemos-debug.apk from Resources folder to public file share.
    appiumOptions.AddAdditionalCapability("enableVNC", true);
    appiumOptions.AddAdditionalCapability("enableVideo", true);

    var timeout = TimeSpan.FromSeconds(120);
    // Change with your Selenoid hub instance URL.
    _driver = new AndroidDriver<AndroidElement>(new Uri("http://127.0.0.1:4444/wd/hub"), appiumOptions, timeout);
    _driver.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(120);
    _driver.Manage().Timeouts().AsynchronousJavaScript = TimeSpan.FromSeconds(120);
}

[TestCleanup]
public void TestCleanup()
{
    _driver?.CloseApp();
    _driver?.Quit();
    _driver?.Dispose();
}