https://developer.apple.com/app-store/review/guidelines/#third-party-software - Apple's regulations on mini apps and sub apps
https://miniapp.zaloplatforms.com/community/1472418623687562947/nhung-app-flutter-vao-miniapp - Zalo's guide on how to embed mini apps (for reference only)
https://www.facebook.com/groups/fluttervn/posts/1666571620545936/ - Flutter sub app discussion topic on Facebook
https://medium.com/@vishalkusinha7301/micro-apps-in-flutter-a-scalable-architecture-for-super-apps-and-modular-teams-822e30b2557d - Micro-Apps in Flutter