With my extensive experience in Android, iPhone, Mobile App Development, and PHP, I am confident that I can complete this project effectively. I understand the importance of implementing the country code filter, modifying the checkout page, white-labeling the app, enhancing the registration and refer-and-earn pages, encrypting and securely storing contacts, as well as replacing "VAT" with "GST." Trust me to handle these tasks with meticulous attention to detail while adhering to your strict deadline.
Moreover, my familiarity with the GroFresh app and its documentation gives me an added advantage in understanding and fulfilling your requirements precisely. As a Flutter developer, I have consistently delivered applications that prioritize smooth functionality and an engaging user experience - two qualities crucial for GroFresh's success in the market.
I pride myself on my ability to stay updated with emerging technologies, ensuring that my work aligns with current industry best practices. Rest assured, if given the opportunity to work on this project, I will provide detailed documentation/logs of all modifications made as well as the full modified source code. I'll also handle installation, deployment, and submission to the Play Store using TeamViewer or AnyDesk for your convenience. You can count on me to meet all your project demands effectively and deliver beyond expectations. Let's get GroFresh App Grooving!