Creating a Facebook APP is simple. Let's create one:
Steps to create a Facebook App:
- Go to https://developers.facebook.com/apps/
- You must be logged in a a user and not as "pages".
Name the new Facebook APP:
Choose "Category" and set if this is a test app.
Enter the site URL and Mobile site URL:
If there is no mobile site, you can enter the same URL.
After that click on My Apps tab. You should be able to see your new App listed there. Click on the new app to see the app id and secret.
With Facebook App ID created, you can do a lot to integrate Facebook on your website or blogs such as to integrate Facebook comments on the website, like box, login with facebook etc. Facebook's APIs makes it easy for you.
Check out https://developers.facebook.com for information on specific requirements.