Arcade

• What can I do in Flitto Arcade?
• What should I do when the message "No cards available" keeps popping up?
• The points vary by the text or level. Is there a reason for this?
• There are too many sentences and points that still need to be checked. Why's that?
• I'd like to make an objection to the proofreading result of the sentence I've worked on.
• What are Flitto's content policy?