Your phone should support the 'OK Google' voice command for this to work.
How to get it running:
1) Install the app
2) Just say 'OK Google, open my notifications'
3) Listen to the app read your notifications
Cleaning your room, away from your phone? Driving your car? Riding your bike? You need to go out of your way to check notifications on your phone in situations like these, sometimes it can even be dangerous.
But if your phone supports 'OK Google' voice activation, then this app will make that task so much easier. Just say the command "OK Google, open my notifications", and listen to a summary of how many active notifications are on the phone, from which application and sender. No need to worry about someone else turning it on, 'OK Google' commands are activated only by your trained voice model.