Cimmerian Blue theme for Sony Xperia Devices. Tested on Xperia C3 and Xperia Z3. Lockscreen analog clock in this theme can only work with Xperia Z2 series and may require Android 5. 1 and above. Specifications. Cimmerian Blue theme can customize over 100+ graphical assets including lockscreen and home screen wallpapers, navigation bar buttons and app drawer etc.