Google Apps Azure web application integration

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Azure

Hello all,
I am developing a SaaS application on Azure (webrole on cloud service) - I would like to know how to go about integrating it with google apps so that when I publish it on google market place, it will be integrated easily. I have read many articles but am not very clear if am proceeding in the correct direction. This is my rquirement:
my SaaS domain: www.abcweb.com
client 1 who has google apps - www.client1.com
when he installs the app, when he logs into the google mail, along with other google apps abcweb also should show up - clicking on that should take him to client1.abcweb.com and it should be single sign on and not login again( he should be able to use the already logged in google validation)

Please point me to a good tutorial or a good article - many articles talk about how to integrate with google apps and give details on authentication alone.

will this accomplish what I want..

https://msdn.microsoft.com/en-us/library/azure/dn308591.aspx[^]

or this ..

http://azure.microsoft.com/en-in/marketplace/partners/google/googleapps/[^]