The above app isn't all the beats stuff, nor will it work from phone to phone. I don't recommend to use it as it if it adds sound files or edits them. It will likely break stuff like the original linked one here does. Another thing beats belongs to sense and is native to sense music. Hence how my rom has full beats everywhere. So the above post is kind of pointless the way it is put.
Personally the stock app isn't all that bad and adding features to it is exactly what I did. So your 500mhz 64mb ram windows 7 install which would never work really at all. Makes it sound like what I did or how it should be won't work. Which isn't true. The above files that app installs will only work with poweramp and a few other apps. Where as I said it will likely break playback in some shape or form.