Thanks for great addon. I always liked your addons. I'm very sad about your decision not to continue this addon. Most people are just complaining about something than doesn't work. But if it works perfekt like your addon here, there will be less ...
Selinux is permissive.
I flashed Viper4android 126.96.36.199 using twrp.
Then updated to 188.8.131.52 in the app.
Viper4android 184.108.40.206 works fine here.
I'm on Existenz 7.0.0 final.
Using stericsons Busybox installed on system/xbin and system/bin.