*First off you will need to be logged into Facebook.
*Then find out who is sending these app requests to you and take note.
*Go to your Account Settings to the upper right hand corner of your FB page.
*Once there, click where it says "Blocking".
*Go over to where it says "Block app invites".
This is where your friends name will be inputted where it says "Type name of a friend" to block them from sending you app request. Once there name is submitted, you will the be able to see their name under the submission box. You can at anytime undo this action by clicking the "x" next to their name. This will block all app invited from that person regardless of the app. They will never know you blocked their app invites and you are annoyance free! THAT'S IT!
DON'T FORGET TO