free version download on Apple App Store：
https://itunes.apple.com/us/app/lucky-21-blocks-crush-games/id1358102396?l=zh&ls=1&mt=8
Android version download on Google play：
http://play.google.com/store/apps/details?id=com.liuxz.game.lucky21blocks
Android version download on Amazon App store： https://www.amazon.com/gp/mas/dl/android?p=com.liuxz.game.lucky21blocks
more games on Apple App Store：
https://itunes.apple.com/us/developer/xiaoze-liu/id670606291
more games on Google play:
https://play.google.com/store/apps/developer?id=25gamer
more games on amazon App Store： https://www.amazon.cn/s?ie=UTF8&field-keywords=刘晓泽&index=mobile-apps&search-type=ss
Screenshot:
Description:
Drag 3-9 blocks onto the board, total 21 in any row or column, score points for your games! and play to your heart’s content!
It’s an addictive and fun combination of Sudoku-style number puzzle and the block-dropping games you know and love./p>
Blocks like cards,choose 3-9 number,and combine make it to 21./p>
Endless mode to rack-up your high-score! Adventure to grow your skills over a huge range of dynamic puzzles!