Brick Crush — Privacy Policy

Effective Date: March 9, 2026

1. Overview

Morrow Studio ("we," "us," or "our") operates the mobile game Brick Crush (package name:com.morrowstudio.novabreaker). This Privacy Policy explains what information we collect, how we use it, and how we protect it when you use our app. By using Brick Crush, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

2-1. Information You Provide Directly

Nickname: A display name you enter voluntarily when submitting your score to the global leaderboard.

2-2. Information Collected Automatically

Data	Source	Purpose
Game scores and play history	Firebase	Global leaderboard service
Advertising ID (GAID)	Google AdMob	Serving personalized ads
Device info (model, OS version)	AdMob / Firebase	Service optimization, crash analysis
Approximate location (country level)	Google AdMob	Regional ad targeting
In-app events and usage data	Firebase Analytics	Service improvement

2-3. Data Stored Locally on Your Device Only

Personal best score
Sound and vibration settings
Ad-free purchase status

This data is stored exclusively on your device and is never transmitted to any external server.

3. How We Use Your Information

We use collected information solely for the following purposes:

Leaderboard service: Storing your nickname and score on Firebase to display global rankings
Daily Challenge: Providing server-seeded daily maps and aggregating daily rankings
Advertising: Displaying banner, interstitial, and rewarded ads via Google AdMob