I am not saying the game needs to be ported to Renpy, it was asked why one might want a renpy version, and I gave some reasons. If a dev doesn't build a mac or Android version, with renpy the community can build a version, should they want to. If it is Unity, it would be up to the dev and despite unity running on Android, many devs using Unity only provide a Windows build because of how much extra work Unity takes to make an Android version versus the much easier process of building for multiple OS in Renpy.So somebody needs to port this game in RenPy, in order that somebody else makes walkthrough mod for users here?
Well, it's really lot of work. Not because porting is that complicated in itself, but because this game uses a lot of custom made modifications by Faerin. Also, pure RenPy cant even translate many of modifications. Porter would need to make his custom solutions directly in Python. And also to be familiar with C#. It's a lot of work, and not a many of people can do it, especially not for free.
Take a look at Google play, most of games are made in Unity lol. This game was not portable to Android because it's designed specifically for computer screens and mouse clicking, not because Unity doesn't work on Android.
Also, game archive is already heavily compressed. It's only 27% of game extracted.
As for walkthrough.... yelp... this even had dedicated thread with WT, saves and FAQ.
A Renpy build doesn't require knowing all the mods made by the dev because those changes were engine specific, they just need to replicate the game play in Renpy which can be done. It would be time-consuming to rebuild the game, enough that it would probably work as a community build more than an individual project.