The notice.txt file must be included with the SDK.which can be summarized as " keep users of any changes you make on the up and up and be honest about your work with the SDK." This licence must be linked, provided, or otherwise included in any distribution of the SDK.
Any changes can be made to the software, but you need to let others know in some way that you made changes. Apache 2.0 License - This basically means: 1.SDK - Provides functionality across: Amazon Elastic Compute Cloud (Amazon EC2) Amazon Simple Storage Service (Amazon S3) Amazon Virtual Private Cloud (Amazon VPC) Amazon SimpleDB Amazon Relational Database Service (Amazon RDS) Amazon CloudFront Amazon Simple Queue Service (Amazon SQS) Amazon Simple Notification Service (Amazon SNS) Amazon Elastic MapReduce Amazon CloudWatch Elastic Load Balancing Auto Scaling.VS 2008 is still usable, but at this juncture it's about time to step up to some current tool/tooling. The top cloud services provider now provides a toolkit to support one of the most used IDE platforms.