What is "android-studio"

Android Studio provides new features and evolutions on the Eclipse and the plugin ADT and is the IDE official Android.

ATTENTION: This tag should only be used when the question refers specifically to the IDE and should not be used only when using this IDE to program for Android.

Built with the features you expect from Intellij, Android Studio offers you:

  1. Flexible system of Build based on the Gradle.
  2. Variations of Build and multiple generation APK’s.
  3. Expanded the support for templates to the Google Services and various types of devices.
  4. Rich layout editor with theme editing support.
  5. Tools Lint for performance improvement, usability, version compatibility and other issues.
  6. Support for Proguard and ability to sign apps.
  7. Built-in support for the Google Cloud Platform, making it easy to integrate with the GCM and the App Engine

References:

  1. https://developer.android.com/intl/pt-br/tools/studio/index.html