Email us
Include your display name, phone model and what happened.
support@graystonedevelopmentstudios.comSupport
Help and contact
Questions, bug reports and purchase problems all go to one inbox, and we read every message.
Ways to get help
Purchases
Chip packs and card designs are bought through Google Play, so Google handles refunds. Card designs return automatically after a reinstall.
Delete your data
Email us with the subject “Delete my EPN data” and your display name. We remove your online profile, results and friends within 30 days.
Request deletion →Privacy: games against bots stay on your phone. Online play stores only what it needs. No ads, no tracking, and we never sell your data. Read the full privacy policy.
Looking for software or integration work? Request a quote.