For questions, bug reports, or feedback about this app, please contact us at the email address below. We usually reply within a few business days.
| Contact | dev@robonet-c.jp |
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This usually means the network connection was interrupted. The rest of the app works fully offline, so you can keep practicing and try submitting your score again later.
You can remove ads permanently with a one-time in-app purchase from the app's menu.
Use the restore-purchases option in the app's menu after signing in to the same App Store / Google Play account you originally purchased with.