YOLI Good Luck

YOLI Good Luck is a colorful English learning game for children to practice math basics: Addition, Subtraction, Multiplication, and Division. Core Features - Learning Mode: endless practice with instant feedback. - Quiz x10 Mode: fixed 10-question challenge with score tracking. - Time Attack Mode: 60-second fast challenge for quick thinking. - Adventure Map Mode: 50 unlockable levels with star rewards. - Difficulty Levels: Easy, Medium, and Hard. - Mixed Operation Support: practice all operations together. Design Highlights - Full-screen layout optimized for iPhone. - Bright gradient backgrounds and playful animations. - Dynamic gradient highlight for the selected Tab Bar item. - Adventure map route now has a glowing animated path. - Adventure level result popup now shows celebratory particle effects. - Unified theme colors across all pages. - Clean and simple English UI for children. Settings & Data - Local data storage using UserDefaults. - Track best quiz score, time attack score, streaks, and accuracy. - Track unlocked adventure levels and stars for each level. - Theme switching (Ocean, Sunset, Forest). - Sound and background music toggles. - Built-in kid-friendly looping background music resource. - English voice coach: reads each math question and gives encouragement. - Voice speed toggle: Slow or Normal. - Auto-repeat question reading every 6 seconds until answered. - Auto-repeat voice switch in Settings for quick on/off control. - Auto-repeat interval options: 3s / 6s / 10s. - Adventure map route speed options: Slow / Normal / Fast. - Kid Mode one-tap preset: Slow voice + Auto Repeat ON + 3s interval. - Parental Lock: Settings tab opens only after a 2-second long press. - Second-layer parental protection: 4-digit PIN required after long press. - Default parental PIN: 1234 (can be changed in Settings). - Security cooldown: after 5 wrong PIN attempts, lock for 30 seconds. - During cooldown, parent gets vibration + red warning banner feedback. - PIN entry uses a randomized number keypad order each time. - PIN keypad buttons have tap animations and sound feedback. - Correct PIN shows a green success flash with a checkmark; wrong PIN triggers a red shake with a red glow border. - Correct PIN also plays a distinct success tone. - Wrong PIN also plays a distinct error tone. - App now uses custom kid-friendly tap/success/error tones (local WAV assets). - Separate sliders for tap, success, and error tone volumes. - Long-press (1s) button to reset all tone volumes to default. - Long-press reset button shows a 1-second progress ring animation. - Reset button border and progress ring now use theme-matched gradients. - While holding reset, the button shows a breathing glow animation. - Parental PIN panel border also uses theme-matched gradient styling. - Trophy system: unlock badges such as First Step, Explorer, and Math Legend. - Reset local records at any time.