Please cite the following paper:
Instant Tracking-Based Approach for Interior Décor Planning with Markerless AR,
Sashank Sridhar, Sowmya Sanagavarapu,
2020 Zooming Innovation in Consumer Technologies Conference (ZINC)
DOI: 10.1109/ZINC50678.2020.9161789
https://ieeexplore.ieee.org/document/9161789/authors#authors

final.apk - APK of the app which can be used in android builds.

Assets/sceneselect.cs - Changes scene from startup selection page to the rendered model
Assets/itemselect.cs - Choosing the appropriate model in the given list of models
Assets/loa.cs - Loading the appropriate model into the field of view
Assets/anglescript.cs - Changing the angle of projection of rendered model using sliders

Scenes/sceneselection.unity - Intial selection page which has the UI to select models
Scenes/InstantTracker.unity - This is the Maxst based VIO rendering scene

In any case of queries regarding deploying the scenes in Unity : contact at sashank.ssridhar@gmail.com