If the KitKat OS indicates it is connected to Wi-Fi but apps cannot access the internet, toggle your host device's network connection from Wi-Fi to cellular data, or toggle Airplane Mode on and off. This forces the virtual network adapter to refresh its IP configurations. If you need help tailoring your setup, let me know: What of host device you are using
The Google Play Store on older Android versions is largely deprecated. To install apps inside your VM: Vmos Pro Android 4.4.2