Say This - Say words (com.b6dev.saythis) on Google Play
Say This app makes your phone speak on your behalf saying the words you introduces.Simply add your favorite words and phrases and the integrated phone's Text To Speech converter will say the text you choose without you even open your mouth.So the next time you want to say text like "Hi", "Whatsapp" or "Sayonara baby" let the phone do it for you.Give it a try!