System Speech, Speak text Using installed voice system. Use it wherever you go, On your school, Home or Street, For Example when you can't speak you can write a text and system speech will speak for you, or if you can't write with your hands use your microphone and system speech will listen you and write the text for you. You can open file from your device like letter, document and if it has a large text it will read for you!, if you create a large document by hand or by microphone, after you finished it you can save it as text file. if you are learning English or other language and you don't understand how it is pronounced you can use the Voice Speed option to make it slow or fast. Everyone can use System Speech in every device. ARROWAT™ System Speech.