Findings:

• Pending notification of relatives
• smartphone
• His smartphone lay in the road, its screen locked with music still playing through the earbuds.
• Notification of death via email
• system notification area
• Explicit Congestion Notification
• notification center
• Bookmark Notification (document)
• Notifications (nodelet)
• Notification

If you Log in you could create a "smartphone notifications" node. If you don't already have an account, you can register here.