Steps to create orkut applications.

Platform
    Orkut applications can be created in XML.

1. Start with the sandbox account on http://sandbox.orkut.com .
     Register on http://code.google.com/support/opensocialsignup/
2. Once your account get active , you can start developing your application in sandbox.
3. You can add your XML application by clicking on add application tab.

HELP
http://code.google.com/apis/orkut/docs/orkutdevguide.html

First Time developing application?
http://code.google.com/apis/orkut/articles/tutorial/tutorial.html

Tags: php, orkut