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DataTennis Privacy Policy

About Advertisement
This application uses AdMob (Google Inc.) as an advertisement delivery tool, and AdMob may automatically collect user information. Please check the following link for details about the information collected, the purposes of use, and the provision to third parties.

Policy on Google Advertisement
https://policies.google.com/technologies/ads?hl=en

About Usage Analysis
This application uses Firebase (Google Inc.) as a tool to collect application usage data for future development improvements. Firebase may automatically collect user information. For details about the information collected, the purposes of use, and the provision to third parties, please refer to the following Google Privacy Policy.

Google Privacy Policy
https://policies.google.com/privacy?hl=en

About Backup Data Stored in the Cloud
This application provides a feature that saves backup data of the match information recorded by the user to the cloud. Backup data may be processed in aggregated and anonymized form to generate statistical information that cannot identify individuals.

About Heart Rate Data (Health Data)
This application may collect heart rate data measured by a Wear OS device only when the user explicitly grants permission. The collected heart rate data is used solely for visualizing physical activity during tennis matches (e.g., displaying average heart rate for points, games, and sets).

● Data Collected
・Heart rate (bpm) measured by the user's Wear OS device

● Purpose of Use
・To visualize physical activity during tennis matches
・To provide match review functionalities
※ This data is not used for medical purposes.

● Data Transmission
・Heart rate data may be transferred from the user's Wear OS device to the paired smartphone application.
・The heart rate data is not transmitted to external servers, third-party services, or advertisement networks.

● Data Storage
・Collected heart rate data is stored only on the user's smartphone (local storage).
・Stored data is used only within the scope necessary for the application's features.

● Data Deletion
・When a user deletes match data, the associated heart rate data is also deleted from the device.
・Uninstalling the application removes all locally stored data, including heart rate data.

● User Control
・Users can enable or disable the collection and use of heart rate data via the in-app settings.
・When disabled, heart rate data is not collected, stored, or transferred from the Wear OS device.