Android version history : Android 3.x Honeycomb

3.0 Motorola Xoom introduced Android 3.0.1 "Honeycomb" 3.0.1. Based on Linux kernel 2.6.36. On 22 February 2011, the 3.0 (Honeycomb) SDK was released, for tablet computers only. The first device featuring this version, the Motorola Xoom tablet, was released on February 24, 2011. Changes include: Optimized tablet support with a new virtual and “holographic” user interface System Bar: Quick access to notifications, status, and soft navigation buttons available at the bottom of the screen Action Bar: Access to contextual options, navigation, widgets, or other types of content at the top of the screen Multitasking: Tap Recent Apps in the System Bar, to see snapshots of the tasks underway and quickly jump from one app to another Redesigned keyboard: To make entering text fast and accurate on larger screen sizes with greater accuracy and efficiency Copy/Paste: Simplified, more intuitive Browser: Multiple tabs replace browser windows, form auto-fill, and a new “incognito” mode allows anonymous browsing Camera: Quick access to exposure, focus, flash, zoom, front-facing camera, time-lapse, and more Gallery: View albums and other collections in full-screen mode, with easy access to thumbnails for other photos Contacts: New two-pane UI and Fast Scroll to let users easily organize and locate contacts Email: New two-pane UI to make viewing and organizing messages more efficient. The app lets users select one or more messages Support for video chat using Google Talk Hardware acceleration Support for multi-core processors 3.1 The 3.1 SDK was released on 10 May 2011. Changes included: UI refinements Connectivity for USB accessories Expanded Recent Apps list Resizable Home screen widgets Support for external keyboards and pointing devices Support for joysticks and gamepads Media: Support for FLAC audio playback. High-performance Wi-Fi lock maintains high-performance Wi-Fi connections when device screen is off Support for HTTP proxy for each connected Wi-Fi access point 3.2 The 3.2 SDK was released on 15 July 2011. Changes included: Improved hardware support, including optimisations for a wider range of tablets Easier access for apps to files on the SD card, e.g. for synchronisation Compatibility display mode for apps that have not yet been optimized for tablet screen resolutions New display support functions that give developers more control over the look and feel on different Android devices. Huawei MediaPad is the first tablet to use this version