This post is about additional resources and links related to PushPlugin, which is a:
  Cordova Push Notification plugin for Android, iOS, WP8, Windows8, BlackBerry 10 and Amazon Fire OS
Answers on StackOverlfow
  - Notification message not received if the notification is discarded by the user. Solution: use sendExtras
 
  - PushPlugin.register returns OK even if not connected to the Internet
 
  - Multiple notifications are created if user doesn’t read the previous. Use notification IDs