To apply theme' go to Exported themes in menu and select the Theme from there.
Tested on Xperia SP which has a screen resolution of 720x1280.
Other screen sizes may or may not be supported.
I will not support any problem arising due to different screen resolutions.
In case of any problem using this theme, send me a mail instead of leaving a 1 star review here. Leaving a 1 star will not help any of us.