With iAd and Limited Level.
This is a application to improve your reflexes and flash memory and concentration.
And for Blackjack (21 twenty-one) card counting.
(but not train how to count)
Please guess a card which is not dealt (is not showed).
When Level is N, N cards are shuffled and (N-1) cards are dealt and Please touch a last left card.
For example, in level 7 , 7 cards are shuffled and 6 cards are dealt.
Game Over is when you make 3 mistakes.
If you push the “Once More” button,
You can watch the same cards in the same order.
You can change 3 options below.
(Please push the “Settings” button)
ROTATION: Rotate a card.
0 … not rotate.
π … half.
2π … all.
MODE: card increase order for level up
Horizon … in the same color cards order (Lv1, 2, 3, …)
Vertical … in the same number cards order (Lv4, 8, 12 …)
SPEED: time for dealing the cards
It’s from 0.1 sec to 3.0 sec per a card.
Please press the “Start” button in the upper left, and start the training.
Support Beat 21 world ranking.
Please press the “i” button in the upper right.

