Hearthstone items purchased on a mobile device were not delivered in the game.

What to do if your Hearthstone account appears locked or suspended

What to do if you get a "Something went wrong" error when logging in to the Battle.net Mobile App

Basic information on the mobile version of Hearthstone

How to resolve purchasing errors on Diablo Immortal mobile

How to resolve purchasing errors on Hearthstone mobile

How to troubleshoot the error Detecting Humanity when creating a Battle.net account or changing account information

Battle.net balance can't be used in the mobile version of the game.

Troubleshooting steps for problems installing or patching Diablo Immortal

Troubleshooting steps for problems installing or patching Warcraft Rumble