If you app works on player then here are my guesses:
1. Did you install 2012.09.4? 2. Exported .apk's file system is case sensitive. Check your file names. 2. If you're loading an mp3 file, don't load like "./music.mp3" use "music.mp3" 3. Do a clean export. Maybe your player is up to date but your exported project's libraries are not.
Can you upgrade to 2012.09.4? Maybe your sound file is 8-bit and the new version can load 8-bit PCM .wav files. But it shouldn't work on player. Maybe you haven't upgraded your player (from 2012.09.2) yet?
Comments
1. Did you install 2012.09.4?
2. Exported .apk's file system is case sensitive. Check your file names.
2. If you're loading an mp3 file, don't load like "./music.mp3" use "music.mp3"
3. Do a clean export. Maybe your player is up to date but your exported project's libraries are not.