This is a Theme for RocketDial application, it is not a standalone app.
Dusk Black pure Skin for RocketDial , please install RocketDial main program to use this theme.
Black glossy keys.
How to apply :
-Step1: Install RocketDial Free or Pro version.
-Step2: Install this theme.
-Step3: Goto RocketDial Settings->Choose Skin , choose this theme.
-Step4: Restart RocketDial and you will see theme applied.