Duolingo [MOD: everything is open] 4.91.2

Duolingo - We present to our dear Internet users one of the best English language tutorials. With this amazing application, learning English will instantly turn into an easy, enjoyable, very effective, and also entertaining process. This software is provided completely free of charge, as the profit comes to the creators from customers whose texts are used during the game for translation. This program is suitable for game developers, customers and gamers, it turns out triple profit for the creators of this application, this is the main difference from all other applications.