3G GMS Ready Smartphones
Google Mobile Services (GMS) certification
Google Mobile Services (GMS) is a suite of applications by Google that can be uploaded on any device
Compatibility Test Suite (CTS)
The Compatibility Test Suite (CTS) is a free downloadable open-source testing suite that is used for tests during the development process.
Android Compatibility Definition Document
Android Compatibility Definition Document (CDD) provides requirements, recommendations
Advantages of GMS certified devices
The GMS certification process is a defined set of tests and guidelines established by Google.