Text-to-speech for e-books is available not only on Kindle devices, but all with Kindle apps!
How to Use the Assistive Reader in Kindle Apps - Amazon Customer Service
To turn on Assistive Reader:
- Open the Kindle app on your iOS, Android, or Fire Tablet device.
- Open the content where you'd like to use Assistive Reader. Once you turn on Assistive Reader, it remains available until you turn it off again.
- Tap the top center of the screen, and then select the reading settings menu, Aa.
- Select More, and then turn on Assistive Reader.
- To display the player controls, tap the screen. You can control the reading speed, or rewind by 30 seconds using the player controls at the bottom of the screen.
Amazon Kindle - Apps on Google Play