This theme work only with SmartLauncher, and at the moment it only changes the appearance of the the drawer, Date&Clock and bubble icons. It also includes wallpaper shown in the screenshots, to use it please press yes for wallpaper dialog while applying theme.
You can download SmartLauncher here: http://goo.gl/Npi22
I suggest to use it with stamped white Icon pack, Here: http://goo.gl/1kG6Gl
To use it, open smart launcher, enter in the preferences, select themes then Tranquility Theme.
Tag: Tranquility calm peaceful clean minimal new smart theme ginleamon