Sale has ended but you can still get this app.
Download French – Polish Pro Now

Official Description

Save time and money while learning the language with this application.

This application is an offline French ↔ Polish education application.
This is a very fast dictionary application.

•French ↔ Polish dictionary.
•French ↔ Polish translator.
•French → Polish 124,000 words and phrases.
•Polish → French 150,000 words and phrases.
•Test, writing, flashcard, dual game and more...
•2,200 phrases.