According to engadgetmobile.com. The SDK allows developers to create custom, interactive panels for the touchscreen QWERTY’s Panel Interface. Sony Ericsson claims that, “The Xperia X1 will offer the richest mobile user experience, putting the world at the fingertips of the user.” Sony Ericsson will offer a panel download service in the future, showcasing all the panels built by all developers.

The Panel Applications are meant to be simple, rich, and fully-interactive allowing quick access to your data — eMail, calendar, multimedia, games, IM, etc. Check the video @ engadget for more info

In case you’re not clued into the developer’s loop when it comes to all things Android,
you might not be aware that there’s a brand-spanking-new version of the
SDK out right now, replete with new apps, a new skin, and tightened-up
functionality. In fact, it’s almost like a whole new OS. Keep your eyes
on us, as we’re whipping up an in-depth gallery so you can get a taste
of what’s to come from the Google camp.

Source : engadget.com
Image gallery : images