The FireMonkey Premium Style Bonus Pack (Jet/Diamond Styles) is now available as a registered user download for Delphi, C++Builder and RAD Studio XE5 customers.
This includes styles for iOS, Android, Windows and Mac. It also includes built-in support for standard and high-resolution devices within one style file for each platform.
For instructions on how to use custom styles in your FireMonkey applications, please visit:
http://docwiki.embarcadero.com/RADStudio/XE5/en/Working_with_Native_and_Custom_FireMonkey_Styles
Sincerely,
Sarina