BANKA Support
Help with bugs, purchases and save data for BANKA. The app version is planned for release in December 2026. This page describes how we will help once it is out.
- Bugs: email us. Please include your device model, OS version and what happened, so we can investigate faster.
- Restoring purchases: sign in to the same store account you used to buy.
- Refunds: please contact the store where you bought the game first.
1. Bugs and inquiries
Please email us about bugs or questions about how to play. Replies may take some time.
It helps if you include:
- Your device model
- Your OS name and version
- The app version
- When and where in the game it happened (and how to reproduce it, if you know)
- A screenshot or video (optional)
studioinari.net@gmail.com
2. Please try this first
- Update the app to the latest version
- Restart your device
- Check that your device has enough free storage
- Close other apps
- If there is no sound, check your device volume and silent mode
3. Purchases
In the app version, part of the game may be free to play, with the rest unlocked by an in-app purchase. Details and prices will be shown on each store page at release.
Restoring purchases: purchased content can be restored with the same store account you used to buy it. Use the purchase screens inside the app.
Refunds and cancellations: purchases, payments, refunds and cancellations are handled by the store where you bought the game (App Store, Google Play, Steam and others). Please start with that store's help pages or contact point.
4. Save data
Save data is stored on your device. It may be lost if you delete the app. We will describe how to carry your data to a new device on this page once that is decided.
5. Supported devices
Supported devices, required free storage and supported languages will be announced on this page, on the BANKA page and on each store page once they are decided.
6. Related pages
日本語 Last updated: October 21, 2026