is there a way to return file paths as a string in an android app

for instance i want to play sound files that are stored in *some* folder on the device

is there a way to browse to that file, and return that path as a string?

similarlly is there the equivilent of apppath$ in android exporter?

i can make the sound playback work if i type the path, but
i have noticed that my different devices have different paths e.g.

/storage/sdcard0/Download/notify.wav -vs-

(some) other music player apps i have examined have the ability to explore/show the path name and then save those paths...

ahh! i see it in the android dialog object, just did not look quite far enough