Moving to a new phone/device
On the old Android device/phone
Start Engine Driver
Use
Exportfunction in the preferences:
On a PC
Connect your old Android device/phone to your PC
Copy the files in the Engine Driver folder
/Android/data/jmri.enginedriver/filesoff your old device to the PC
On the new Android device/phone
Install Engine Driver
Run it once. Then Exit. (This will create the Engine Driver folder)
On a PC
Connect your new Android device/phone to your PC
Copy the files you saved onto the new device in the Engine Driver folder
/Android/data/jmri.enginedriver/files.Disconnect the Android device/phone
Re-start Engine Driver on the New Android device/phone
Use the
Importfunction in the preferences:
Primary files (in the ‘files’ folder) 
exported_preferences.ed 
recent_engine_list.txt 
recent_consist_list.txt 
recent_turnouts_list.txt 
function_settings.txt
Other Files: 
connections_list.txt 
connections_log.txt
Note
See the Import, Export or Reset preference for more information.