🇺🇸 English

Pick how to play from one screen: three modes, easy to hard — Capture Go (grab a stone and win) → Territory → KataGo real match; then choose opponent (computer / two players), who goes first, and board size (9×9 / 13×13 / 19×19), and tap Start.

🇺🇸 English

Every move becomes a color you can read: green = good / capture, red = your stone in danger, orange = opponent threat, blue star = best move. A red banner warns "Careful — these stones are almost captured!" Not color alone — icon + text + VoiceOver.

🇺🇸 English

Language (System / Chinese / English), computer strength (Easy / Normal / Challenge — Easy plays weaker than the hint, so follow the blue star to win), Coach lines to import an SGF as opponent, sound & voice toggles, and the parental controls entry.

🇺🇸 English

A parental gate (answer a math question) protects it. The play report shows play time, games, win/loss, and skill weak points (e.g. "didn't rescue stones in atari") plus weekly progress; set daily time limits. All on-device, never uploaded, no PII.