web service using facebook authentication and android client

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http://stackoverflow.com – Our plan is to implement a web service using authentication from Facebook, we will have three instances: the web server, the facebook authentication server and the client. The web server can use the access_token to retrieve users' information on Facebook. This works fine when the client is a web browser. Now, we want to implement the client on Android. We currently have two approaches: 1/ Create an Facebook Android native application, and use the Facebook Android SDK to get the access_token. The question for this approach is whether the obtained access_token can be passed to the web server, (HowTos)