AutoSpark

“This app uses the Device Administrator permission.”

Audiostreaming Maps Guide Headup Display

use an old smartphone to display music and maps information i.e. stationary in your car

something like a poor man android auto.

it let you select "offline" stored playlists and albums from googleplay music. control play, next and prev audio track

shows album und musc informations.
shows navigation informations.

have fun
;o)

howto:
-select in options if current phone is display or smartphone
-pair the two devices over bluetooth
-pair the smartphone with your car a2dp adapter and select the adapter in options on the smartphone device
-on the "display" device select the smartphone.

usage:
-swipe down on "display" to select playlist.
-swipe left for next track
-swipe right for prev track

the app "can" use root to switch cpu governor to interactive to avoid a2dp dropouts
the app needs the right to read notifications to get all this informations (maps/music)