: If your chart folder isn't already a .zip , compress it. Ensure the internal folder structure is correct (folder containing maidata.txt , track.mp3 , etc.).
AstroDX does not come with songs (except a tutorial). You must "repack" chart files into a format the iOS app recognizes. astro dx ios download repack
You're looking for information on downloading Astro DX on iOS, specifically a repack version. Here's what I could gather: : If your chart folder isn't already a