1) Data controller (individual developer)

The data controller for Letter Roller is SHAO ZHEN YANG, an individual developer. Development, operation, and related activities for this game are carried out personally; there is no separate company entity for purposes of this policy.

Privacy contact: letterroller.game@gmail.com

If applicable law requires a postal address, it may be provided upon request to the email above.

2) Upload prerequisite (opt-in)

Gameplay data upload is disabled by default.

Data is uploaded only when the player explicitly enables Global Ranking and agrees to this policy prompt.

3) Data fields we collect (when Global Ranking is enabled)

• User identifier (user ID / hashed ID)
• Display name (nickname, if set)
• Language and mode (e.g., en/es/it/pt, competition)
• Round result data (score, XP/rank-related values, result status)
• Region code (if provided)
• Event timestamps used for ranking, integrity checks, and debugging

We do not upload local single-player save details unless needed for ranking-related requests.

4) Retention period

Ranking and related upload records are retained for up to 180 days, then deleted or anonymized in routine cleanup.

5) Deletion requests

To request deletion of ranking-related data, contact us at letterroller.game@gmail.com.

• We acknowledge requests within 7 days.
• We complete deletion within 30 days (unless a shorter legal deadline applies).

1）数据控制者（个人开发者）

数据控制者为 SHAO ZHEN YANG（个人开发者）。Letter Roller 的开发、运营及相关事宜均由本人独立完成，不隶属于任何公司。

隐私联系邮箱： letterroller.game@gmail.com

如适用法律要求提供邮寄地址，可经上述邮箱联系后另行提供。

2）上传前提

默认不上传。仅在您主动开启「全球排名（Global Ranking）」并在应用内同意本说明后，才会向服务器上传与排名相关的数据。

3）收集字段（开启全球排名时）

可能包括：用户标识（ID/哈希 ID）、展示昵称（若填写）、语言与模式、本局成绩/与军衔或排名相关的统计、区域代码（若提供）、时间戳等，用于榜单展示与基本防作弊校验。

4）保留期限

与排名相关的记录最长保留 180 天，之后将删除或匿名化处理。

5）删除请求与时限

请发邮件至 letterroller.game@gmail.com 申请删除与排名相关的数据。我们将在 7 日内确认收到，并在 30 日内完成删除（如法律另有更短期限则从法律）。