You’re advised to Authenticate HTC Sense and Set as Default App for a Better Posting Experience. Click Here on how to Authenticate
Note: If you have issues getting Access Token for Apps, Check this Article
One of the two notifications you get as a new user of FBGapp is that you have not selected the default application for your account. You can only post to groups with the apps that you have authenticated. And we recommend authenticating as many as possible so you can be switching from time to time.
The list of applications will always be updated by Team FBGAPP. To ensure safety and avoid ban, we’ll be updating the apps list to give more freshness to posts from our system. So don’t be surprised when you don’t see some apps you’ve authenticated or when you see new apps. We’ll always put YOU first.