DRM page rewritten
The description of the Android DRM framework has been completely rewritten and expanded.
Performance tuning property removed
ro.hwui.fbo_cache_size property has been removed
from Android and the corresponding Performance tuning list.
Compatibility Test Suite manual revised
The Compatibility Test Suite (CTS) manual has been revised with additional details regarding location settings and more.
Known issues refined
The list of Known Issues has been updated and split into categories.
New version strings added for 4.4
Permitted Version Strings for Android 4.4 have been updated.
Explore the Source
Get the complete Android platform and modify and build it to suit your needs. You can also contribute to the Android Open Source Project repository to make your changes available to everyone else in the Android ecosystem.
Port Android to Devices
Port the latest Android platform and create compelling devices that your customers want.
Sometimes, a device can't do it all. Tap into Android's open accessory standard and build accessories to complement the wide variety of Android-powered devices.
Being Android-compatible lets you offer custom features but still give users and developers a consistent and standard experience across all Android-powered devices. Android provides guidance and a test suite to verify your Android compatibility.