It converts Text into Speech, it's a very simple app and has a clean user interface, It does what you need, there are no ads in this app. So its good for TTS, I hope you like it.
If any problems or suggestions please do send me an Email.Thank you
If Anyone is looking for a feature-packed Speech Synthesis Software, you can check out TTS Speaker Pro
https://play.google.com/store/apps/details?id=com.nandanchebbi.speechsynthesispro
~ Nandan Chebbi