Google lists a few on their website (https://flutter.dev/showcase https://flutter.dev/showcase). You can find more using a search engine. Two years ago, I buil

Google lists a few on their website (https://flutter.dev/showcase https://flutter.dev/showcase). You can find more using a search engine. Two years ago, I built an interactive Flutter app to administer surveys. It supported branching based on user input and displayed a summary of responses at the end. At that time the only major challenges were poor documentation and a tiny community.