Welcome to One Circle.

## 1. Product Overview

One Circle is a lightweight app centered on gesture-based circle drawing, instant scoring, score history, and sharing. We aim to create a simple and direct interactive experience that lets users enjoy challenge, feedback, progress, and sharing through repeated circle-drawing attempts.

## 2. What We Provide

The current version of the App mainly includes:

1. Circle drawing and scoring

• Users draw a circle using touch gestures;

• The system calculates a score and provides grade feedback based on the path.

2. Cloud records after sign-in

• Supports sign-in through email OTP;

• After sign-in, users can save scores, paths, history records, leaderboard submissions, and achievement data.

3. Leaderboard and history

• Users can submit scores to the leaderboard;

• Users can view their history, best scores, and achievement status.

4. Sharing and saving images

• Supports generating score images;

• Supports system sharing and saving images to the photo library.

5. Settings and legal information

• Supports basic settings such as theme and language;

• Provides Terms of Service, Privacy Policy, and About pages.