Android 3.0, codenamed , was a landmark release launched in February 2011 specifically for tablets. It transitioned the platform from smartphone-focused designs to a "holographic" user interface optimized for larger screens.
: The paper Introducing the Honeycomb UI via ResearchGate examines the design paradigm shift introduced during this era. android 3 0 dlja android
: For technical specifics, the Optimizing Apps for Android 3.0 guide (hosted at MIT) explains how to adapt applications for larger screen configurations and tablet hardware. Major Features Introduced in 3.0 Android Honeycomb 3.0 Overview | PDF - Scribd Android 3