You can add a native mapview into your application using this plugin. The plugin automatically handles access to Google Maps mobile SDKs.
To install this plugin, you need to prepare your API keys for both Google Maps Android API v2 and Google Maps iOS SDK. The tutorial below will explain how to obtain the keys and how to install this plugin.
If you use PhoneGap instead of Cordova, you need to read the below page. Although even if you use PhoneGap, you MUST need to install Apache Cordova.