Sorry for the late response. The post was "pending for moderation" for some reason, so no one could see it until now.
There is a way to transfer your save file. When you load into a game and enter the options menu it'll give you the choice to "Import/Export saves" which creates a file on your system for the save slot you select. Once you have done that, you can transfer the file to your phone and use the same choice is the options menu to import the save.
It's a bit of a hassle, but it's usually not possible to get to the saves in the android version without rooting the phone, so we had to implement this roundabout way.