Go to read.amazon.com to open Kindle Cloud Reader. You may need to sign in with your Amazon account. Your Kindle Library is displayed on the main page. Select a book to start reading.
Beside above, is there a read aloud option on Kindle app?
Kindle Reading app on Android supports the TalkBack accessibility feature. After enabling TalkBack, you can explore the Kindle Reading app with audio prompts from TalkBack. Audio support is also provided for books and other features.