After your have purchased a resROMS license you will receive an email containing the license code. To activate your license you can follow the guide below.
From the home screen, click on the Menu icon in the top left corner.
Choose Settings on the bottom of the menu
Choose Redeem Activation Code
A notification screen will show to confirm your account and that the Activation Code will be associated with this account. If everything is OK, you can click OK to continue.
You can now enter the activation code which can be found in the email after purchase.
If you have entered the code correctly, it will take a few moments to activate.
You can now enjoy unrestricted access to the RES app. Have fun!