What features are supported by Android's Google accounts authenticator?

Question

The API documentation for the hasFeatures method of Android\'s AccountManager has the following to say about which features are supported by each a

Answer 1

I still haven't found any official documentation but I have figured out the main use case, that of determining whether a Google account is associated with a specific Google service.

There is a feature for each service and the feature name is of the form service_<service_code_name>. Using this (possibly out-of-date) list of service code names for Google services, we can check for features such as service_lh2 (Picasa), service_groups2 (Google Groups) and service_mail (GMail).