Give the ability to your customized version of OutSystems Now to allow the user to open external URLs directly in the application (no access to cordova), or directly in the webview (replace your app) or to open in the system browser. 

In order to use this functionality, you'll need to customize a version of OutSystems Now (see how to customize it: https://labs.outsystems.net/OutSystemsNowDocs/OutSystemsNowOpenSource.aspx) and add the native Cordova plugin (https://github.com/apache/cordova-plugin-inappbrowser) to your project. This plugin supports Android, iOS & Windows mobile operation systems.
 

This component provides webblocks and actions to quickly enable the use of InAppBrowser functionalities.

 

About InAppBrowser
 

The plugin provides a web browser view. The InAppBrowser window behaves like a standard web browser, and can't access Cordova APIs. For this reason, the InAppBrowser is recommended if you need to load third-party (untrusted) content, instead of loading that into the main Cordova webview. The InAppBrowser is not subject to the whitelist.

Read more: https://github.com/apache/cordova-plugin-inappbrowser