Please add support for Simple Mobile Tools Music Player

[qwertyuser1983]

Arguably the smallest and lightest Android Music Player available now,

https://github.com/SimpleMobileTools/Simple-Music-Player

When Vanilla and Tomahawk are horribly unstable, and Just Player abandoned,

This player are my pal. :)

[a-r-db]

For android devices running 21 aka Lollipop or higher this should resolve any app issues.

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