Echo - Motion & Merit Fish

[Introduction]
Echo is a mindfulness app designed exclusively for Apple Watch. Using precise motion sensors, swing your wrist to knock the wooden fish - no screen tapping needed. Whether meditating, relieving stress, or seeking daily zen, raise your wrist and find inner peace.

[Key Features]

1. Motion Sensing Mode
Gravity-Dip algorithm accurately detects wrist rotation. Swing like a real wooden fish without touching the screen. Three sensitivity levels with anti-false-trigger protection.

2. Double Tap Gesture
Supports watchOS 11+ double-tap gesture. One gentle pinch to knock - effortless and intuitive.

3. Exercise Merit Mode (NEW)
Automatically detects your steps while walking or running. Every step earns one merit. Combine wellness with mindfulness in your daily routine.

4. Mindfulness Integration
Automatically records mindfulness sessions and syncs to Apple Health. Merit accumulation meets mindful breathing - every knock is a moment of meditation.

5. 5 Wooden Fish Styles
Classic, Dog, Lucky Cat, Gold Ingot, and Lunar New Year Firecracker. Match your mood with different designs.

6. 6 Sound Effects
Wooden fish, coin chime, applause, cat meow, dog bark, firecracker. Mix and match for your personalized zen experience.

7. Realistic Haptic Feedback
Taptic Engine precisely tuned to recreate the satisfying thud of a wooden mallet. Milestone celebration feedback every 100 knocks.

8. Dynamic Visual Animations
Wooden fish bounce, ripple waves, and floating merit text that drifts upward and fades. Playful and engaging visuals.

9. Custom Floating Text
Type your own text (up to 5 characters) or choose presets: Merit, Coins, Health. Syncs instantly across all pages.

10. Lunar New Year Easter Egg
Automatically activates in January-February. Swing hard to trigger firecracker explosions with random colors and 6 funny phrases.

11. OLED Power-Saving Design
Pure-black minimalist interface for Apple Watch OLED. Dramatically reduces power consumption for extended sessions.

12. Complete Statistics
Cumulative merit tracking and per-session counts. Data auto-saved and survives app restarts.

13. Rich Settings
Sound effects, sensitivity, custom text, mute toggle, language switch, data management - full control in your hands.

[Supported Languages]
Chinese, English, Japanese, Korean, Thai. Follows system language automatically.

[About Echo]
Echo is an indie project dedicated to blending technology with zen. Every knock is a conversation with your inner self.