Your existing Nokia Lumia will soon get an upgrade with added functionalities http://nokia.ly/Lf6k2j Camera extras will become available June-July 2012 in Marketplace under 'Nokia Collection'.
The upcoming camera extras include four new features. Smart Group Shot makes it easy to capture great group shots with just one attempt. Action Shot captures movement in several shots and allows you to go back and forth the action. With the self-timer, you can get yourself also to the picture. And finally, the new Panorama UI helps you to capture beautiful wide landscapes with precise alignment.