10, J, Q, K, A
0
2, 3, 4, 5, 6
Quick Guide:
• Tap left side for high cards (10,J,Q,K,A): -1
• Tap right side for low cards (2-6): +1
• Middle cards (7,8,9): Don't tap (0)
• Use ↺ button to reset count
• Use ⇅/⇄ button to switch orientation

Positive count = More high cards remain (player advantage)