At the moment, for the My Social Book creation we don't support any other platforms than Facebook and Instagram. 
But we support Google +, DropBox, and the upload from your device for the My Social Print and My Social Mosaic, go take a look.

Our team is working everyday to improve our product. You can follow us on our Facebook page to be updated with our news:

https://www.facebook.com/mysocialbook?fref=ts.