You can re-listen to a previously finished Blink by following these steps:
iOS
1. From the For You screen, tap on My Library.
2. Tap on Finished.
3. Tap on the finished Blink you would like to listen to again.
4. From the Final summary page, swipe back through the previous blinks.
5. When you get back to the intro page you can tap on the "headphones" icon to start the audio again.
Android
1. Tap on My Library.
2. Tap on Finished.
3. Tap on the finished Blink you would like to listen to again.
4. From the Final summary page, swipe back through the previous blinks.
5. When you get back to the first page you can tap on "Play Blinks" to start the audio again.