This isn't a standalone app.
After installing AutoGuard Blackbox(Free version), this app will remove it's ADs and it offers various advanced features.
Search keyword "AutoGuard Blackbox" in android market.Read more
Allows the application to access the phone features of the device. An application with this permission can determine the phone number and serial number of this phone, whether a call is active, the number that call is connected to, ect.
discover known accounts
Allows an application to get the list of accounts known by the phone.