Let's make ”0” in center panel by moving number panels up/down/right/left with flick movement! How many ”0" you can make within time limit? Features ✓ Simple handling and casual number puzzle! How fan the calculation is! ✓ Everyday brain training with daily mission! Longer you continue, better your brain! ✓ Feel your growth with the most difficult achievement mode! ✓ Variety of 30 themes! Cool, Cute, Gorgeous and so on! ✓ Share the score with friends, and let's be proud each other! ✓ All free and play! It might have this effect ✓ It gets easier to calculate during shopping. ✓ You can be better in mental calculation. ✓ You will like math. ✓ You can train working memory. ✓ Extend your surrounding view area Let us know your thoughts and ideas over at: https://www.picola.co.jp/contact-us