This section covers the Google Fit platform and API. The user’s ecosystem may include a multitude of devices, sensors, and Fit applications from a diversity of vendors. In such a backdrop, Google Fit provides a user centric data repository and common data types in the interest of interoperability and collaboration. Google Fit applications are aimed at a very specific segment and are bound by very specific terms and conditions. For one, Google Fit applications are not intended to be “medical” applications. The Google Fit platform is not intended to provide biometric functions. There are several developer conditions and obligations regarding the use of the Google Fit API. This section covers the hands on steps of connecting a Bluetooth LE fitness sensor and connecting to it from the Google Fit platform.