Open the app and you will see apply button
Open the app and you will see apply button
You must have Install Xposed installer to apply this theme with Unicon!
But You can Apply theme from Galaxy Icon themer which available at google play!
Quoted from the app's listing:
If you bought GS8 Icon Pack send me an email to dtafalonso@gmail.com or eatos.apps@gmail.com to get this app free