1. Login to your Facebook account from Safari.
2. Once you are logged in click on the down arrow in the top right hand corner of the screen, then click on settings from the drop menu.
3. Once you click on settings, on the left hand side of the screen you will see the option saying blocking. Click on blocking.
4. Then at the bottom off the blocking screen it gives you the option to block Apps. Click that option.
5. Then simply type in the App you want blocking were it ask you. i.e type candy crush to block all notification from candy crush etc….
No more annoying notification from games you have no interest in.