Data & Information Disclosure

This page discloses all data collection, third-party services, SDK integrations, and advertising practices used in the HaniLab website (hanilab.app) and the mobile game Line Master. This information is provided to comply with Google Play Data Safety requirements, Apple App Store Privacy Nutrition Labels, Google AdMob policies, and GDPR/CCPA regulations.

1. Data Collected by Line Master (Mobile Game)

Data Type	Purpose	Shared with Third Parties	Storage
Game progress (score, level, settings)	Save game state	No	Device only (PlayerPrefs)
Nickname (user-chosen)	In-game profile display	No	Device only
Equipped items & inventory	Item management	No	Device only
Language preference	Localisation	No	Device only
Ad interaction data	Rewarded ad delivery	Google AdMob	Third-party servers
Device ID / Advertising ID	Ad targeting (with consent)	Google AdMob	Third-party servers
Crash / diagnostic data	Bug detection & quality	No	Device only
Anonymous UUID hash (SHA-256)	Active player count tracking	No	HaniLab server; auto-deleted after 90 s inactivity
Game score & level	Global ranking percentile calculation	No	HaniLab server (anonymised)
2-letter region code (device locale)	Regional player distribution statistics	No	HaniLab server (anonymised)

HaniLab's server collects anonymised data for global ranking and active-player features (rows 8–10 above). All other gameplay data stays on-device unless shared with Google AdMob as described above.

2. Data Collected by hanilab.app (Website)

Data Type	Purpose	Shared with Third Parties	Retention
Contact form (email, subject, message)	Reply to inquiries	No (stored in email inbox)	Up to 2 years
IP address	Server security, fraud prevention	Hosting provider	30 days (server logs)
Browser & device info	Analytics & optimisation	Google Analytics	26 months
Page visit data	Traffic analysis	Google Analytics	26 months
Cookie (hl_lang)	Language preference	No	1 year
Ad interaction data	Advertising revenue	Google AdSense	Per Google policy

3. Third-Party SDKs & Services

Service	Provider	Purpose	Privacy Policy
Google AdSense	Google LLC	Display advertising on website	Link
Google AdMob	Google LLC	In-app advertising (mobile)	Link
Google Analytics	Google LLC	Website traffic analytics	Link

4. Advertising Disclosure

HaniLab monetises through advertising:

Website: Google AdSense contextual and/or personalised ads
Mobile game: Optional rewarded video ads (Google AdMob) in exchange for in-game items

Personalised advertising may use your device's advertising ID and browsing behaviour. You can opt out via:

Android: Settings → Privacy → Ads → Opt out of Ads Personalisation
iOS: Settings → Privacy & Security → Apple Advertising → Personalised Ads (off)
Website: Google Ads Settings

All advertisements comply with Google's AdSense Programme Policies and AdMob policies.

5. Google Play Data Safety Summary

For the Google Play Store data safety form, Line Master declares:

Data collected: Advertising ID (for ads, with consent); anonymous UUID hash, game score/level, 2-letter region code (for ranking features, HaniLab server)
Data shared: Advertising ID shared with Google AdMob for ad purposes
Security practices: Data encrypted in transit; users can request data deletion via email
No children: App is not directed at children under 13
Ranking UUID: an app-generated UUID, not the device advertising ID; hashed with SHA-256 before transmission to HaniLab server

6. Apple App Store Privacy Nutrition Label

Data used to track you: Advertising ID (for personalised ads, with consent)
Data linked to you: None (ranking data is linked to anonymous UUID hash only — not personally identifiable)
Data not linked to you: Usage data (crash reports, analytics, advertising data)

7. GDPR Compliance Summary

Legal bases used: Consent (advertising, analytics), Legitimate Interests (security), Contract (contact replies)
Data Protection Officer: Not required (small organisation)
EU representative: Not appointed (processing is minimal and non-systematic)
Supervisory authority complaints: You may file a complaint with your national DPA

8. Requests & Contact

For data access, deletion, or portability requests, contact us at:

📧 globalatomy@kakao.com

We will respond within 30 days. All requests are processed free of charge.