android mirror display
https://play.google.com/store/apps/details?id=sod.service&hl=ko http://code.google.com/p/hansunghorn/ http://code.google.com/p/andisper/
iOS, Android, Unity3D Education blog,
https://play.google.com/store/apps/details?id=sod.service&hl=ko http://code.google.com/p/hansunghorn/ http://code.google.com/p/andisper/