using rest rather than android sdk

Is it really possible to build an android app using the rest api AND have the same functionality as using the Android SDK ?

I’m thinking here in terms of user authentication ( twitter, fb, g+) and push messaging.

I’m building android and apple apps with a 3rd party tool called vb4x so I dont have the luxury of using the sdks.

Is there a way ( table?) to differentiate what is possible with the rest api as opposed to the sdk’s ?

You can definitely mix REST API and the Android API in the same application. The REST API supports pretty much everything one can do with the native SDK. Please see the documentation for the differences between the REST and Android API - the doc has the same structure, and if you see a topic missing in the REST section, but is present in Android, it is an indication that the REST version does not support some functionality.

Thanks Mark. Great product by the way