Dict Box is an offline dictionary & translator app.

Translate English to Farsi.
Translate Farsi to English.
No internet connection required.
Fast convenient & easy to use.
Very smart word suggestions.
All dictionaries in one place.
Translate text directly in the web browser and other apps.
Text pronunciation.
Picture dictionary.
Word reminder.
Plenty of dictionaries available to install.

And a lot more useful features.