This is the master list of things that need to be added / improved on the cliffnotes. If you see an important topic missing here, please reply below!

Incomplete stubs that need attention to be completed (please help out if you can):

• Advanced Architecture Guides
• Profiling Performance or Memory
• Real-time Chat with Push
• Drawing with SurfaceView
• Bluetooth API

A few topics we could use help developing cliffnotes for:

• Wearables Guides
• WiFi, NFC Connectivity APIs
• Creating an App Widget (Creating an App Widget #40)
• Google Play In-app Billing (Feature - In-app billing guide #27)
• Custom Camera with Camera 2 API
• AccountManager (AccountManager #49)
• AsyncTaskLoader
• SyncAdapter
• Lollipop Job Scheduler (Lollipop Job Scheduling #74)
• Geofencing API (Geofencing API and Tutorial  #192)

Production Topics:

• Building Responsive Android Apps
• Checklist on preparing for public release
• I18n and Localization guide
• Guide on beta testing in lead up to launch

Workflow Tools:

• Crashlytics
• Stripe (Android Stripe Integration #73)
• OTA
• Facebook SDK
• Updated Jenkins
• Advanced Gradle (Flavors, Tasks, Deps)

More advanced topics that could use cliffnotes by experts:

• Creating a Custom Keyboard (Creating a custom keyboard for Android #137)
• Security for Android
• Native Development Kit (NDK)
• Binder Inter-Process Communications (See Here)

Any help starting these cliffnotes would be appreciated! Feel free to add other requests as an issue or to this thread! If you are interested in contributing, please check out the contributing guidelines to understand the philosophy of the guides.