Board Thread:Game Discussion/@comment-121.216.45.41-20131114084733/@comment-24083787-20131114114435

That's something Gree would have to implement into the games themselves, a wikia is in no way affiliated with game developers and such.

Hoverfrog, You can transfer your account to a new device if you have access to the other phone or access to information like friend code, level, and # of gems.

More info Here.