I want to use my S4 as a music player in my car. The audio and control would be using bluetooth. I want to get a high capacity (128GB) USB flash drive for the storage. I have an OTG cable and it works fine for file access. I can also play music from it, but not using a full control music app like rocket or jet audio or google's music player. I want the full screen app, not just a toast sized mini player.
Anyone got this rigged up?
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