This app is the Xposed Resources Package of
SubNa. You need it to make SubNa work with Xposed.
SubNa is available here : https://play.google.com/store/apps/details?id=lfprodev.substratum.subna
SubNa is available here : https://play.google.com/store/apps/details?id=lfprodev.substratum.subna