Having issues with connections to Hearthstone on Mobile
Troubleshooting steps for disconnection problems with the Blizzard mobile app
What to do if your Authenticator gets stuck at any point during set up.
Basic information on the mobile version of Hearthstone
How to resolve the "Shop Closed" error in Hearthstone
What to do if you don't receive texts from Blizzard
Troubleshooting steps for missing notifications on the Blizzard Battle.net Mobile App
Information on the mobile payment option for Blizzard Balance codes in Argentian, Chile, and Mexico.
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 problems with changing regions in Hearthstone on your mobile phone or tablet