You actually can support Sign In With Apple from arbitrary platforms, using the JS API. https://developer.apple.com/documentation/sign_in_with_apple/sign_in_wi

You actually can support Sign In With Apple from arbitrary platforms, using the JS API. https://developer.apple.com/documentation/sign_in_with_apple/sign_in_with_apple_js https://developer.apple.com/documentation/sign_in_with_apple... This is obviously the most useful for websites, but Apple’s developer site links to this with the descriptor “for web and apps on other platforms” so clearly they’re ok with Android apps using it too.