HarmonyOS NEXT relies on self-developed elements like Harmony kernel, Pangu AI model, Cangjie programming language, and so on. With that in mind, there is a way to run Android apps on HarmonyOS NEXT, ...
Apple's Swift programming language can now be used to develop for Android, and share code with iOS apps. Swift was launched by Apple in 2014 — although it had secretly been in development since 2010.