Đoán Ca Dao - Đào Tục Ngữ - Đố is a free puzzle game for Android developed by Ahihi Studio GameVN. The game is based on Vietnamese folk proverbs and sayings and offers a fun and educational experience to players.

The game features thousands of diverse and interesting questions that are updated regularly to keep players engaged and sharpen their minds. The game is easy to play, but challenging enough to keep players entertained and engaged for hours. Players can earn free Ruby rewards daily and compete with each other on the leaderboard to see who can solve the most puzzles. With multiple hints available, players can easily solve difficult puzzles and share them with their friends on social media.