Basically the stock Gnirehtet app with some extra features, such as
- block internet access for apps
- set custom DNS servers
- stop Gnirehtet on disconnect
- Put your keystore
output.jksin theapp/folder. - Put the properties
keystore-store-password,keystore-key-alias, andkeystore-key-passwordin the gradle.properties file.
Finally run
./gradlew assembleRelease
and you should be able to find the APK at app/build/outputs/apk/release/app-release.apk.