Questions or problems? Email support@931devshop.com. Please include your iPhone model and iOS version.
No. The game runs completely offline.
On your iPhone only, inside the app. Deleting the app deletes your progress, and it does not carry over to a new iPhone.
Email support@931devshop.com with as much detail as you can: what you were doing, what you expected, and what happened. Screenshots help.
See the privacy policy. In short: nothing is collected, and everything stays on your device.