Aspron is an icon pack. You need a third party launcher to apply it.
Instructions included in the dashboard.

What's included:

★ About 3.500+ HD icons (192x192)
★ 69 matching HD cloud wallpapers
★ Launchers support: Action Adw AdwEX Apex Atom Aviate GO NextNova Smart Solo
★ Icon masking for un-themed icons
★ Dynamic calendar
★ Alternative icons to choose