One small thing. One flick of the wrist. One moment of surprise on your Apple Watch. That's all it takes. You've probably tried a wrist-based haptic game before — no real object needed, just the feedback on your wrist telling you what happened. That sensation is something a phone screen can never replicate. ShakeBox brings that same wrist-first experience to lucky draws, divination, decompression, and party games. One shake — not for exercise, but for that small, satisfying hit of the…