How to collect freebies on iOS devices?
You can collect freebies from the bonus links. ( if they haven't expired yet) Usually, bonus links are active during 3 days period.
Please take a look how to collect bonuses correctly. While clicking on the bonus link, such window will appear.
When the tab asks you to leave Facebook, click "Cancel", then click on the settings at the bottom right corner and choose "Open in Super Bingo HD" tab. This will redirect you to Bingo application and you will see the message, that you've successfully collected the gift from the bonus link.