Deleting Your Account and Data
Last updated: September 27, 2026
This English version is a reference translation. The Japanese version is the official text and prevails in case of any discrepancy.
This page explains how to delete the data saved in Jankokushi: A Mahjong March and what is deleted. The App has no accounts, and all data is on your device.
How to Delete
- Open the App.
- Open “Settings” from camp (home).
- Under “About”, press “Delete all saved data”.
- Press it once more to confirm, and the deletion is carried out.
Deletion cannot be undone. Progress and settings cannot be restored.
What Is Deleted
The App saves data on your device (localStorage). The delete operation removes all items that the App has saved.
- March and growth progress
- Provisions, copper and gifts; rank; bonds; the conquest status of strongholds; tutorial progress; records of rewards already granted; the history of lines shown; match records; and so on
- In-progress match record
- The record used to resume a match that ended partway
- Settings
- Settings such as theme, text size, sound effects, music and haptics
- Ad status
- The record used to space out ads
- Launch screen record
- The record of how long to show the launch screen
- Store review request record
- The record used to avoid asking for reviews too often
- Error reports
- Records of abnormal terminations kept only on your device
- Audio recovery method
- The method chosen for restoring sound on iOS
- Store country
- The country code of the store you got the App from, used to decide the default mahjong rules
- Mahjong rules choice record
- A record of the mahjong rules chosen on the Settings screen
Data Stored on Servers
The App has no servers of ours and does not issue accounts. No data is stored on our servers. The data on your device is completely deleted by the steps above.
You can change how Google handles the information it obtains for ads using the methods in Section 3 of the Privacy Policy.
- Contact
- contact@aicreonext.com
- Operator
- 合同会社AICREO NEXT
If You Delete the App
Deleting the App also deletes the data saved on your device. However, depending on the device and OS settings, some data may remain, so if you want to be sure that it is removed, use the in-app delete operation before uninstalling.