Help needed in installation

Open Source Development Google Summer of Code
1

Someone who has installed MIT App Inventor recently please guide which installation steps are more appropriate to be followed

  1. GitHub - mit-cml/appinventor-sources: MIT App Inventor Public Open Source
    or
  2. How to build App Inventor from the MIT sources
2

The README version is the definitive version, specifically the section on manual setup of the build environment. There is a link there to a slideshow that includes step by step commands if you need a further breakdown.