It looks like it is now also supported by Tapatalk but there is an error:
Call to undefined method XenForo_Model_User::getPrintlableIdentityList)(get_user_info.php:71)
Which one is getting an error? tapatalk or forum Runner? Both were installed a long time ago together.
Also, there is a mobile skin you can select, but it currently will save as a setting so when you log in on a PC you'll have the mobile skin and have to revert it back to the default. I'm looking into options to have it so it automatically recognizes a smart phone and forces you to the mobile skin.