Zeny data is not saved in iTunes or iCloud. You can transfer data between iOS and Android devices only using Zeny Premium.
Tap Data Backup on Settings, and you can back up or restore your data with Dropbox, Evernote, Gmail, Google Drive or anywhere you can save your data.
Restore Back-Up Data
Tap your data from the place you saved it. The below example is the note app.
You can find the Zeny icon from More.
Here is an example video from Taxnote, but it almost works the same.