Amazon Simple Notification Service
Developer Guide

Send Messages to Mobile Devices Subscribed to a Topic

You can also use Amazon SNS to send messages to mobile endpoints subscribed to a topic. The concept is the same as subscribing other endpoint types, such as Amazon SQS, HTTP/S, email, and SMS, to a topic, as described in What is Amazon Simple Notification Service?. The difference is that Amazon SNS communicates through the notification services in order for the subscribed mobile endpoints to receive notifications sent to the topic.