There is a program created and available for download on Google Play and the App Store. I need the source code of this application urgently so that I can develop and add features to it, among other things.

I am looking to get the source code of an already existing program created and available for download both on Google Play and the App store for both Android and iOS platforms. My goal is to develop the application further by adding new features and improving the user interface, among other things. I am looking to get the source code as soon as possible as this project is too important to me to delay any longer. Unfortunately, I do not have permission to access and modify the source code, which is why I am hiring a developer to help me with this. The main feature I am looking to add is user interface improvements; however, I may need help with additional functionalities and bug fixes as well. If you think you are qualified to take on this project, I look forward to seeing your offers!