The Flash Card 504 app is the complete reference for learning 504 English words for those of you who are interested in learning a language. The simple yet functional design of the Flash Card 504 app allows you to learn English as easily as possible. The Flash Card 504 application simplifies English language learning by categorizing words into lessons and smart filtering to determine the correct and incorrect answers to learning 504 words.

Features of Flash Card 504 application:

** Classification of words in the form of lessons
** Use four filters to display words
** Verbal pronunciation of words
** Share words on social networks
** Favorites menu to add escape words