The Ice Cream Sandwich screen lock is similar to that of Honeycomb. On the Motorola XOOM, face unlock via the front facing camera has not been implemented.
The Ice Cream Sandwich Homescreen. Note the new group icons that allow you to organize your applications, similar to that on the iPad's iOS 5. As with Honeycomb there are five homescreens that can be used for shortcuts to applications, groups, and for widget placement.
Here is a zoom in of the Google application group that I have placed on my home screen.
Ice Cream Sandwich on the tablet implementation uses a stacking-type notifications bar on the lower right of the screen.
The Application launcher is similar to that of Honeycomb. Note the new Widgets tab.
An example of widget placement on one of the homescreens.
The Widget Browser is similar to that of Honeycomb.
The new ICS "Recent Tasks" implements task killing capability as well as switching to apps that have been recently used.
The settings menu in Ice Cream Sandwich has been completely revamped from Honeycomb.
The new Data Usage screen tracks usage of data, by application. This is especially useful for users who need to be aware of data plan quotas on 3G/4G connections.
The Battery Usage screen allows users to determine which applications or services are consuming the most amount of power.
This gallery was produced on a Motorola XOOM running the IML77 build of Ice Cream Sandwich, which was recently rolled out to customers via an Over the Air update.
The GMail application, as displayed on the new tablet implementation of Android.
The Google Maps application, as displayed on the new tablet implementation of Android.
The Android Market as displayed in ICS. Fundamentally, this is the same version currently deployed in Honeycomb.
The Android Market Tablet Picks screen has some applications that have been curated by Google that are exploitive of the Tablet UI in ICS.
This is how a legacy Android 2.x API application looks when stretched to fill on a Android ICS tablet.
This is This is how a legacy Android 2.x API application looks when set to Zoom to Fill on a Android ICS tablet.
The Camera application has been completely revamped for ICS, and is basically identical to the one used on Android 4.0 smartphones.