Always visible media player controls in mobile app (like Google Home media controls)

This is for a mobile app. It will be nice if media player’s buttons will be always visible while player is playing. And in should be placed in the notifications area on the phone, as Google Home does. Player’s buttons should be on the locked screen, also. HA should choose the player that is playing now and display it. Also, make settings to disabled this feature. The next step is to transfer the player control buttons to Google Wear watches and Xiaomi sport watches.

controls like this

Also, it will be nice if HA could create voice for it’s events and overlay them with music in the player. Analog - parking sensors in the car, when the music is muted during priority events.