Samsung SECR300ZRAMTR - Manual (Page 47)

@Metro 47
Restoring Apps
Disabled apps can be quickly restored at no additional purchase
cost. To restore an app, run the application you want to restore
from the Main Menu. You will be guided through the restoration
process.
Expired Apps
Apps that were purchased based on the number of uses or time
expire. You can purchase additional uses from the MobileShop
catalog.