Portman Home M2M Android is a PUSH message based program. User must choose any of the Portman Home devices to be installed at home, then you can use your Portman Home M2M to control/monitor it. Up to 10 home devices can be monitored at the same time.TroubleshootingPortman Home M2M will employ the Google Android PUSH service. Android OS must be V2.2 or above.