This is a quick comparison of some of the Android flavors of various BaaS APIs. It attempts to simply show the same ideas (library initialization, user authentication, data read/write, etc) with the various APIs, to give the AeroGear team some context as to possible directions.
There is a nice list of providers here (current as of 08/2012):
And also a comparison of StackMob/Kinvey/Parse here: