Some devices are not able to enter the game play. We have just fixed this bug. Really sorry for being late.
Welcome to the world of speed 21. Try to get 21!
You can play a classical solitaire game here to get he number 21.
[Rules]
1. Take A as 1
2. Take 2~10 as 2~10
3. Take J/Q/K as 10
4. Try to merge the number to 21 as much as you can
