This project is developing a system to understand the service offered by Google, Google Cloud Messaging to receive emerging notifications to mobile devices. The system consists of a client application, developed with Eclipse IDE and the Android SDK and server programmed in C #, using Visual Studio 2010. The customer will be able to register to GCM service, and receive notifications of GCM server. The implemented server, will be able to send messages to GCM server, and GCM server resend this message towards the client. To test developed system, the client application will be able to connect and disconnect device Bluetooth service, when receives a message from GCM server.