Hi,
I will propose an alternative solution , instead of using vb.net to use Adobe Flex (Adobe Air App).
Regarding your query do I have Amazon webservice , no I do not.
Do I have previous experience in AWS no I don't have .
But I have vast experience in developing Adobe Flex, ZK OSS, VB.NEt apps using difference web services API that include Google API , In house webservices build upon Apace CXF, AXIS 2 , JBOSS.
Looking forward to work with you on this project.
Regards,