Hi,
I know how to amend applications. Just finished similar projects:
http://www.freelancer.com/projects/Amend-string.html
http://www.freelancer.com/projects/Mobile-Phone-iPhone/Decompile-Amend-Recompile-APK.html
http://www.freelancer.com/projects/Java-Data-Mining/Modify-JAVA-Selenium-application-PGA.html
Please share that application and specify steps to reproduce the issue.
Regards,
Andriy