Lightbulb How-to use a shared library (libmain.so)

I am find Link2SD for Android 4.4,The Link2SD can link packages by external files,but the other App can not link.

I found Link2SD have library at external MicroSD

The files are libeveryplay.so libmain.so libmono.so libtosafe.so libunity.so

How to use shared library for starting

thanks