Information on the mobile payment option for Blizzard Balance codes in Argentina, Chile, and Mexico.
Troubleshooting for Hearthstone connection issues on mobile devices.
Basic information on the mobile version of Hearthstone
What to do if you're unable to log in to Hearthstone from your mobile device.
Information on using your authenticator on more than one Blizzard account
What to do if you can't resync your authenticator.
For technical support or assistance with a purchase on an Android™ device, visit Google's support site. There, you'll find answers to many common questions and avenues to contact Google Play Customer …
Troubleshooting Hearthstone connection issues when using mobile data connections.
What to do if you get a "Something went wrong" error when logging in to the Blizzard Battle.net Mobile App
Troubleshooting steps for problems installing or patching Hearthstone on mobile devices