Hello,
As an experienced IT expert, I can seamlessly update and maintain your web application, incorporating the latest features provided. I'll enhance user interaction by revamping both backend and frontend elements, including sign-in features and splash images.
Additionally, I'll upgrade and seamlessly integrate payment gateways while adeptly editing existing content on the Laravel website. My proficiency spans PHP, Laravel, Android Studio, Vue.js, Git, Github, and frontend Flutter development, ensuring a comprehensive and polished solution tailored to your needs.
Please note that this is a placeholder proposal, we can be more specific once we get all the requirements and information required to execute the project.