About TileFocus
TileFocus helps you understand how observers visually scan a mahjong hand. Enter up to 13 tiles and view an attention heatmap based on suit contrast, tile position, and combination patterns such as triplets, pairs, and sequences.
Key features:
Hand input with text or visual tile editor
Attention heatmap with suit-based color zones
Detailed attention distribution report
Discard decision assistant with before/after comparison
Visual search training to practice finding target tiles
Combination logic reference and algorithm explanation
Local storage for saved hands and training history
All analysis runs on your device using a computational model. No eye tracking, camera access, or sensors are used.
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