Firebase is an app development platform that provides integrated tools to help you build, grow and monetize your apps. The Firebase SDK enables access to the Firebase services in an intuitive and idiomatic manner on several platforms.

Dart is an approachable, portable, and productive language for high-quality apps on any platform.

Android is an operating system and software stack created for an array of devices with different form factors, including phones, tablets, wearables, TVs, automobiles, and connected devices. The primary purposes of Android are to create an open platform available for carriers, OEMs, and developers to make their ideas a reality and to provide a successful, real-world product that improves the mobile experience for users.