"This application gives you an easy panoramic photo experience on your Sony Ericsson Xperia X10 phone, and works in firmware version 2.1. Just select a direction, press the capture button and then pan the camera to shoot your panoramic photo. You can also browse and enjoy your photos with a smooth auto scrolling feature."
For now, Panorama is still in beta and runs on Xperia X10 with Android 2.1 firmware. Although when this beta version will be the final version is not yet known, but the exact application for other Sony Erricson will be soon available. Not yet confirmed whether Panorama will be able to run on all Android platform but there is no harm to try Panorama for Xperia X10.
just download the APK file here.
And download Panorama beta (Free) [Android Market]
Adopted from:Dusan Belic, intomobile