How can I transfer app data from phone to tablet

I have an app called "My Notes" installed on my Galaxy S4. I have the same app on a tablet. I'd like to transfer the My Notes data from the Galaxy phone to my tablet but I can't find the data file using various file explorers. Can anyone help?

from Android Forums at AndroidCentral.com - Ask a Question //forums.androidcentral.com/ask-question/758166-how-can-i-transfer-app-data-phone-tablet-new-post.html
via IFTTT