Great news for those who desperately want a solution for simple audio issue, in IOS/Android use!
tap, an Appmobi representative, developed a appmobi plugin
appmobi-plugin which play multiples sounds simultaneously.
I did a test, for Android, with the demo he furnished, and it works! In fact there are a error, because he used C2 buttons objects, and there are a knowed issue, in Appmobi, with C2 buttons objects. Besides that, it works! Try it yourself here.Appmobi Audio Demo APK