Google launch new mobile app which is called flutter.
Flutter is Google’s mobile app SDK for crafting high-quality native interfaces on iOS and Android in record time. Flutter works with existing code, is used by developers and organizations around the world, and is free and open source.
It has many more features some are given below.
Fast Development: Flutter's hot reload. It helps to quickly and easily experiment,build UIs fearues very beautyful, and fix bugs issue very fast. It takes milliseconds to reload the app, without losing state, on emulators, simulators, and hardware for iOS and Android.Use a rich set of fully-customizable widgets to build native interfaces in minutes.
Expressive and Flexible UI: Quickly ship features with a focus on native end-user experiences. Layered architecture allows full customization, which results in incredibly fast rendering and expressive and flexible.
Native Performance: Flutter’s widgets incorporate all critical platform differences such as scrolling, navigation, icons and fonts to provide full native performance on both iOS and Android.
For more details flutter