Android 2.0 Eclair (API 5-7)
Version – 2.0,2.1
Release date – October 26, 2009

Features

Expanded Account sync, allowing users to add multiple accounts to a device for synchronization of email and contacts
Microsoft Exchange email support, with combined inbox to browse email from multiple accounts in one page
Bluetooth 2.1 support
Ability to tap a Contacts photo and select to call, SMS, or email the person
Ability to search all saved SMS and MMS messages, with delete oldest messages in a conversation automatically deleted when a defined limit is reached
Numerous new camera features, including flash support, digital zoom, scene mode, white balance, color effect and macro focus
Improved typing speed on virtual keyboard, with smarter dictionary that learns from word usage and includes contact names as suggestions
Refreshed browser UI with bookmark thumbnails, double-tap zoom and support for HTML5
Calendar agenda view enhanced, showing attending status for each invitee, and ability to invite new guests to events
Optimized hardware speed and revamped UI
Support for more screen sizes and resolutions, with better contrast ratio
Improved Google Maps 3.1.2
MotionEvent class enhanced to track multi-touch events
Addition of live wallpapers, allowing the animation of home-screen background images to show movement