Some Basic MIJIN Questions

yomaicoin ()
1. Does MIJIN operate a different set of networked NIS/NODES, completely separate from the NEM Public Chain?
2. Within MIJIN, are transactions FREE?
3. Can MIJIN transactions connect to the NEM Public Chain? And able to return back to private chain again?

denizdurmus ()
Besides the questions above, are there any detailed tutorials on mijin, like how to set up one mijin network for testing on local network or computers?