build a java application for windows and mac OS

Educational - Spelling Bee desktop application + Website Hi Experts, I need to develop a desktop application with the following features - (more detailed SRS will be shared with you once you are shortlisted ---Find attachment ) 1. Standalone Desktop Application 2. Installation from a single executable file 3. Must work on Windows, Mac and other platforms as well 4. Application shall be prevented against piracy (with some sort of license) 5. Complete Database in MySQL will be provided - hence, this should be encrypted as well 6. Spelling bee Animated and Interactive tutorial 7. Website with back-end admin portal + integrated payment gateway Find attachment file for complete requirement .