Official recommended sites for MQTT:
Http://mqtt.org/software
Implementing a push message using the IBM MQTT protocol
Address:
Http://tokudu.com/2010/how-to-implement-push-notifications-for-android/
Google code download MQTT moquette Broker Address:
http://code.google.com/p/moquette-mqtt/
GIT Download Mqtt moquette client Address:
Https://github.com/fusesource/mqtt-client
Reference links
Http://stackoverflow.com/questions/1243066/does-android-support-near-real-time-push-notification
Http://stackoverflow.com/questions/1378671/push-notifications-in-android-platform
http://blog.boxedice.com/2010/10/07/android-push-notifications-tutorial/
http://dalelane.co.uk/blog/?p=1599
Http://tokudu.com/2010/how-to-implement-push-notifications-for-android/
Http://blog.isidorey.com/2011/05/cloud-to-device-and-back-with-android.html
http://www.hardill.me.uk/wordpress/?p=207
http://tokudu.com/demo/android-push/
http://mosquitto.org/
Study of Mqtt (i) MQTT Learning website