Countdown - show countdown timer, collect emails, check if the user subscribed to the page
Polls - show question and several options as answers. Optional: to get the result you need to be subscribed to a page.
Buy me a coffee - A page where a person can choose the amount of coffee they want to gift you. After the donation, the page address will be shown in the first position in the frame. By clicking on the frame, you can open a page where all the addresses will be clickable.
Buy me a coffee example