Board Thread:Questions and Answers/@comment-49.148.83.252-20150704055407/@comment-25063363-20150720214255

You can't, both games count as different ones, so they aren't cross-compatible, mainly because of the content (Mobile has more towers, different events, and PC has second cities, stuff Mobile hasn't and different events). Don't even expect for both to be compatible, it surely won't happen.