Introducing Android 4.0 on Android.com gives a run down on the new Android OS.
“Android 4.0 (Ice Cream Sandwich) is the latest version of the Android platform for phones, tablets, and more. It builds on the things people love most about Android — easy multitasking, rich notifications, customizable home screens, resizable widgets, and deep interactivity — and adds powerful new ways of communicating and sharing.”
Features include:
1. “Roboto,” Android’s own font
2. Even more live wallpapers
3. Newly-designed lock screen
4. Disappearing homescreen command buttons
5. Tabbed apps/widgets drawer similar to Honeycomb
6. Resizeable homescreen widgets
7. Redesigned foldering capabilities
8. Hardware accelerated 2D drawing
9. Wi-Fi Direct support
10. “Favorites Tray” at the bottom of the screen that travels across the different homescreens
11. Native Screen grab capability (Press Power+Volume Down)
12. Improved notification bar, customizable notifications
13. New Music player notification in tray controls player
14. Improved keyboard
15. Improved typing error correction
16. In-line spell check and suggestion mode
17. Cut/Copy/Paste similar to Honeycomb, but with animated dragging and dropping
18. Speech for text entry has been improved with no delay
19. “Face Unlock” facial recognition for unlock screen (Did not work in demo)
20. New Browser (Includes new tab management feature. “request desktop site” feature, syncs to chrome, save pages for offline reading)
21. New Gmail (New action bar with compose, search, labels, refresh; offline search by default that searches the last 30 days of email)
22. New Calendar with pinch-to-zoom
23. Updated all of the native Google apps: YouTube, Maps, Google+, Google Music
24. Mobile data usage metrics in system controls, allows users to self-limit their mobile data consumption, and track data usage down to individual app level
25. All-new camera app with slider zoom, facial detection, “zero shutter lag” speed, launchable from home screen
26. Photo editing tools in “edit” menu in the camera
27. Native panoramic camera shot, similar to Sony’s “Sweep” panorama
28. 1080p video capture, continuous focus, includes the ability to zoom while recording
29. Incredible new Time Lapse photography feature
30. New tile-based “People app” interface for contacts, very similar to Windows Phone
31. “Android Beam” NFC-based content sharing with multiple ICS phones (Web Addresses, contacts, maps, YouTube videos, app sharing)