AWS SDK for Android
· The Amazon Web Services SDK for Android provides Android APIs for building software on AWS’ cost-effective, scalable, and reliable infrastructure products. The AWS SDK for Android allows developers to code against APIs for all of Amazon's infrastructure web services (Amazon S3, Amazon EC2, Amazon SQS, Auto Scaling, etc).
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window aws-android-sdk-pom-2.16.13.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.