This application can automatically play back more than 6000 words in English with the help of a voice synthesizer speech, followed by a translation into the Russian language and its sound system. Ideal for memorizing English words. There is a short course at 1,000 words, and complete the course in 6000 words, irregular verbs, phrases and more.

For the program you want to install "Google Speech Synthesizer" from Google Play, if you have not installed the following link: https://play.google.com/store/apps/details?id=com.google.android.tts

Just in your system Android "Google-speech" may be necessary to activate the synthesizer instead of the standard built-in:

View All Android Settings -> "Language & input" -> Speech Synthesizer -> Select "Google Speech Synthesizer"