Go to your Facebook Page. Click the button where the arrow is pointing.
Move the mouse cursor onto the Facebook App you want to delete (either Welcome App or custom app), then you will see the Pencil Icon appear. Click this Pencil Icon as shown below.
Click Uninstall App.
Log in to your Namecheap.com account. From the menu bar, select Domains – Manage Domains.
From the list of the domains you own, click the one that you’d like to use with GoGoPin.
From the menu on the left, click All Host Records.
Find the records that has the value @ and www in the HOST NAME column and enter 209.164.60.130 for the IP ADDRESS column and select A (Address) for the RECORD TYPE column.
STEP 5Come back to GoGoPin Business. Sign in with your account credentials. Click Edit under the Web Site Information section.
Select the Existing Domain tab, enter your domain name in the text box. Then, click the Update button.
You’re pretty much done here, but please note that it can take up to 24-48 hours for these changes to take effect.
Sometimes people accidentally remove the Welcome App (with the recent changes in Facebook’s layout, one click could get rid of it). Here are the instructions on how to add it back to your Facebook Page.
Go to your Facebook Page and click Edit Page on the top right corner.
Click Apps and find GoGoPin Page Designer.
Click Edit Settings, click Add, and finally click Okay.
GoGoPin Business Help 