Depending on the app you authorize, Facebook gives you some freedom in tweaking the app’s settings. For example, you can hide the Photos tab in your Profile, change the tab’s privacy settings to limit access to it, or change the app’s permissions to grant or revoke special privileges, such as sending you notifications when certain events occur.
To edit an app’s settings, click Account (top menu), Application Settings. This displays a list of apps you recently used. Next to the app whose settings you want to adjust, click Edit Settings. A dialog box pops up with several options for controlling the app’s accessibility and permissions. Options vary among apps. Enter your preferences, and then click the Okay button.
The app ...