If you are having problems validating and executing the events StartLoad and EndLoad on Android devises using Appeon 2013 R2 please do the following: 

Uninstall the AWS on the Android device and then install it with the link http://ftp.appeon.com/Aws136.apk. After install it, then please add the link http://demo.appeon.com/ps_mc1 in AWS to test if it works fine.