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Privacy Policy for 바둑이 족보 · 교환 확률 (Badugi Study) Effective date: October 7, 2026 Brainer provides 바둑이 족보 · 교환 확률, package com.brainer.badugistudy , as an advertising-supported, independent card-learning application. This policy explains how the app handles information. Privacy contact: auction@mekorean.com. Developer website: https://mekorean.com. Offline learning and local information Card selections, hand evaluations, one-exchange calculations, quiz answers, wrong-answer review, and learning records are processed on your device. The developer does not receive these card selections or learning records and does not operate a server for them. Records and preferences remain in the app's local storage until you clear app data or uninstall the app. Android cloud backup of this app's local records is disabled. There are no user accounts, subscriptions, in-app purchases, deposits, prizes, or real-money betting services. Advertising and Google services The app uses Google Mobile...

Effective date: October 6, 2026 Brainer Studio provides Yerin's Closet. Yerin's Closet is a dress-up game. It does not require an account or include billing or social-network SDKs. The free version offers one optional rewarded-ad opportunity per user per day. Dressing, challenges, the album, and settings remain usable when an ad is unavailable or the player chooses not to watch one. Data handled by the app The app stores wardrobe progress, challenge completion, saved outfits, favorites, and sound or haptic preferences in the app's private storage area on the device. This information is used only to provide game features. Optional rewarded advertising Yerin's Closet uses Google Mobile Ads to provide the optional rewarded ad and Google's User Messaging Platform to handle required consent or privacy choices. Google Mobile Ads may collect or share approximate location derived from an IP address, app interactions, diagnostics, and device or other app-related identi...

Privacy Policy for Just Look at Me (나만 보면 돼) Effective date: October 5, 2026 Brainer Studio (Google Play developer account: ysuk4097) provides Just Look at Me, a single-player Android visual novel with the package name com.brainer.menheranovel . The same game is titled 나만 보면 돼 in Korean, 私だけを見て in Japanese, Solo mírame in Spanish, and Olhe Só para Mim in Brazilian Portuguese. This policy explains how information is handled when you use the game. Information stored on your device The game stores story progress, choices, save slots, language and other settings, unlocked endings and failure records, and rewarded-ad unlock receipts on your device. It also stores a playthrough identifier, foreground play time, consumed interstitial opportunities, and the time of the last full-screen advertisement to limit advertising frequency. These records support saving, resuming, preventing duplicate rewards, and avoiding repeated advertisements when you reload or restart. The developer does not tra...

Stitch Note Privacy Policy Effective date: October 4, 2026 Stitch Note (Korean app name: 뜨개노트; package com.brainer.stitchnote ) is a local-first knitting project and row-counter app published by Brainer Studio. Data the app handles Stitch Note lets you enter project names, yarn and needle details, notes, counter names and values, targets, project status, and optional project photos. This content is stored only inside the app's private storage on your device. The app does not require an account and does not send this content to Brainer Studio or any app-operated server. When you choose a photo, Android's system photo picker gives Stitch Note access only to the item you selected. The app creates a resized copy in its private storage for use as a project photo. The original remains under the control of your photo provider. Backups and imports Automatic Android cloud backup is disabled for Stitch Note. You may explicitly create a backup archive from the app's settings. T...