What the fuck would even be a point of isometric RPGs on VR/AR?
A) Microsoft is going for it (AR)
B) Apple has patents for it (AR & VR)
C) Google is going for it (AR & VR)
D) Facebook is going for it (VR)
E) Konami & Nintendo are investing into mobile gaming.
F) Experts & Specialists are all excited, positive. AR might replace PC.
G) At E3 2015 there was TONS of VR and AR software companies.
I'm just pointing out industry changes happening in a foreseeable future, not too long from now, in relevancy to this thread (sales analysis) and my belief that PoE, D:OS, WL2 and other Kickstarted, Unity made titles, will most likely benefit from jumping onto the train ASAP. I.E. prosperity. Get an App idea, develop it for HoloLens, thank me later.
Furthermore, imagine this. The computer screen you're sitting in front of right now, and the stationary computer as well (if you have one of those), how much space does that take up in your living area? How much space does a VR or AR headset take up? Well, for all VR you need a cord and computer and all that, but for AR (HoloLens) you don't need a cord, you don't need a phone or computer. It is an untethered computer in itself, that takes up 1/10th of the space your computer takes up.
Inside the AR device (HoloLens), theoretically and conceptually, you could create a virtual screen, exactly the same size of your computer screen, you could create a virtual keyboard, a virtual mouse (or use your hands and fingers and body). You could place the game on your floor, hovering in front of you, on your roof. You could have 5 screens that take up Zero Volume space in your living room.
The point is the business opportunities moreso than having an isometric RPG on VR/AR. I also think that an Isometric RPG would be much easier to handle on an AR device, as it has much more application and blends with the real world, whilst VR shuts you out from the real world and fits better for FPS games.
You know Ender's Game? AR strategy gaming.
You know Ironman? Tony Stark? XCOM Turn-Based gaming.
It is a matter for designers and developers to simply angle the visual field of the isometric, in an AR device, so that you don't lose the perspective when playing. I'm sure developers and designers would excell at creating a functional and fun interactive experience using HoloLens or any of the VR devices. Also, for as long as I've been following HoloLens develop, nothing has stated that you won't be able to use a controller, a keyboard or a mouse. With VR you can use a keyboard and mouse, why wouldn't you be able to do it with AR?