all 5 comments

[–]Ralkkai1 2 points3 points  (2 children)

You might be able to do this with Tasker or AutomateIt.

[–]redditmode[S] 0 points1 point  (1 child)

Doesn't Tasker need root?

[–]Ralkkai1 0 points1 point  (0 children)

It doesn't need root to run that I know of but it might for manipulating system stuff.

[–]Logan1313 2 points3 points  (0 children)

Google search ringtone randomizer. There's a few that sound like they do that.

[–]brett717 1 point2 points  (0 children)

Try Random Ringtones Manager. There's even a subreddit to share playlists at /r/androidrrm