“词变” 用户协议
欢迎使用"词变"（英文名称：Katsuyou）应用（以下简称"本应用"）。在您使用本应用之前，请仔细阅读本协议。您使用本应用即表示您已阅读、理解并同意遵守本协议中的所有条款。
使用范围
本应用为个人学习日语动词变形的辅助工具，仅供个人非商业用途使用。用户不得将本应用用于任何违法用途或商业分发。
数据存储与隐私
本应用为完全离线应用，不收集、不存储、不上传任何用户个人信息。所有练习数据均保存在用户本地设备内，卸载应用后数据将被清除。
本应用不涉及：
• 账号注册与登录
• 网络连接与服务器交互
• 支付功能
• 广告推送或第三方数据收集
用户责任
用户应合理使用本应用，不得进行反向工程、破解、非法传播或其他破坏应用正常运行的行为。
免责声明
本应用努力提供准确的学习内容，但不保证所有内容绝对无误。使用本应用过程中产生的任何学习结果、数据丢失或设备问题，本应用开发者不承担任何法律责任。
知识产权
本应用的界面设计、图标、文本内容等均受相关法律保护，未经授权不得擅自使用或复制。
联系方式
如果您有任何问题或反馈，请通过以下方式联系设计师/开发者：junjin.app@gmail.com
"Katsuyou" Terms of Use
Welcome to the "Katsuyou" app (hereinafter referred to as "this app"). Before using this app, please read this agreement carefully. Your use of this app indicates that you have read, understood, and agreed to comply with all terms in this agreement.
Scope of Use
This app is a personal learning tool designed to assist with Japanese verb conjugation practice. It is intended for personal, non-commercial use only. Users are prohibited from using this app for any illegal purposes or for commercial distribution.
Data Storage and Privacy
This app is fully offline. It does not collect, store, or upload any personal information. All practice data is stored locally on your device and will be deleted upon uninstallation.
This app does not involve:
• Payment
• Network connection or server interaction
• Ads display or third-party data collection
• Account registration or login
User Responsibilities
Users must use this app reasonably and must not engage in reverse engineering, cracking, illegal distribution, or any behavior that may disrupt the normal operation of the app.
Disclaimer
While this app strives to provide accurate learning content, it does not guarantee absolute accuracy. The developer shall not be held legally responsible for any learning outcomes, data loss, or device issues arising from the use of this app.
Intellectual Property
The design, icons, and text content of this app are protected by applicable laws. Unauthorized use or reproduction is strictly prohibited.
Contact
If you have any questions or feedback, please contact the designer/developer at: junjin.app@gmail.com