The REST Service can be found in in ./node-rest-starter run npm start to run locally. However, since the app is hosted on heroku, there is no need for running it on localhost.

the apk for android can be found in .\WhyIsLearningAndroidSoHard\app\build\outputs\apk\debug named apk-debug.apk copy it into a device and run it to install , or compile using Android Studio