Shopking Script Customization & Deployment

I'm seeking an expert to customize the Shopking script on Codecanyon and deploy it on both iOS and Android platforms. The main task will be implementing a GST module. Key Requirements: - Extensive experience with Shopking script - Proficient in cross-platform app development - Expertise in implementing new features into existing scripts - Prior experience with GST module integration is a plus - Knowledge of UI/UX design changes and performance optimization is beneficial - Ability to deliver a high-quality, fully functional app Please include examples of your previous work with Shopking script and cross-platform apps in your bid.