This is just a donation for SMS Config Tool for TK 102 application.By installing this application is a way to show some appreciation for my work.The application SMS Config Tool for TK 102 should be installed first: http://goo.gl/yllCyaDonation version is not actually an application is more like a key used by the SMS Config Tool for TK 102 application to check the donation made.By donating, the main application functionalities are not changed.Thank you very much for your appreciation!