One of the best ways to learn English is to memorize sentences. Sentence Master helps to memorize sentences easily.
First, you can memorize sentences one by one. And then you can repeat a bunch of sentences automatically. Every sentence will be read by TTS Engine on your phone.
Also, you can add your own sentence files to this app.
When it is working by automatic play mode, it prevents to be touched so that you can put your phone in your pocket.