What is Facebook Application? For over a decade we have been using the Facebook login to our mobile application or web application. To do so we need to register the application over Facebook! Facebook will identify, review and let you use the Facebook SDKs or Graph API to do the Facebook login! There are multiple things we could do with Facebook SDKs, Facebook login is one of them. How to register the application over Facebook? Suppose you are the owner of the product/app for which you want to have the Facebook login and/or other features. Suppose your app name is “My Social Media” and you want to allow the end-users to log in with Facebook to access your app. To do so, we need to register the “My Social Media” app to the Facebook Developer Console. Let's see how to do it: Step 1 – Facebook Developer Account Please visit this link https://developers.facebook.com/apps . If you are already a Facebook user then you just need to agree with some terms and follow the on-scr...