You know I am not sure if there is an app. But you know now a days there's an app for EVERYTHING so when you get there ask the attendant.
The stations to each movie are labeled on the bottom of each screen at Ford Wyoming. You simply turn ur car stereo to that provided number. As for a phone, I know there is an app for listening to FM radio but I can't remember what the name was. I used to use it to listen to Dave n Chuck the Freak. Hope this helps.
If you can find the app that has the stations for the movie that you have but I'm not sure what have you could use
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