WhatsApp works on many Android devices. This includes: Android phones with Android 5.0 and newer* WhatsApp Help Center How to Download WhatsApp on Android 4.1 to 4.4.4
Si necesitas WhatsApp en tu radio con Android 4.4.2, la única opción es mediante la instalación manual de un archivo APK de una versión antigua: descargar whatsapp para version de radio android 442
If you are using an Android-based car radio or an older smartphone running version 4.4.2, here is what you need to know about your options: Current Support Status WhatsApp works on many Android devices