SLT Merry Christmas is a beautiful theme for Smart Launcher by the Italian designer Marianna Guerra. It's a little Christmas present for all the Smart Launcher users!

You need Smart Launcher in order yo use this theme, you can install it from here:
https://play.google.com/store/apps/details?id=ginlemon.flowerfree

To apply this theme, open Smart Launcher → Preferences → Themes, then select Nightmare

Merry Christmas from the Smart Launcher Team :)