- Meet Android Studio - User guide starting point, good for newbies
- Support Library Features - Components sorted by purpose
- Support Library Packages - Individual libraries (gradle) and what they contain
- Support Library Setup - How to import in project
- Recent Support Library Revisions - Changelogs, basically
- Utils package - Useful!
- SDK Tools Release Notes - Development and debugging tools
- SDK Build Tools Release Notes - Self explanatory
- Android Plugin for Gradle Release Notes - Gradle stuff
- SDK Platform Release Notes - Documentation and tools for a specific target platform
- SDK Platform Tools Release Notes - Android tools like adb and fastboot (with standalone download)
- Configure Your Build - Nice!