It's a chic live wallpaper which used a guitar as the motif.
You can change the calendar-clock size, position and visibility.
*How to set the Live Wallpaper:
1.Press the MENU hard key button at the Home display.
2.Select "Wallpaper" at the menu.
3.Select "Live wallpapers" on popup menu.
4.Select "Rock 02 Live Wallpaper" from the list.
5.Tap the "Set wallpaper" button at the display.
+Now you can change the guitar color.