Try the Uno Platform, which enables cross-platform development of Android, WebAssembly, iOS, and Windows 10 apps in C# and XAML!
Music: Claude Achille Debussy (Rêverie) wave file
I referred to Chomado's blog. Introduction to Uno Platform 1: What is Uno Platform? Cross-platform development for iOS, Android, Web, and Windows 10 apps in C# https://qiita.com/chomado/items/9a36d5e1bb41c4f6cef3