I disagree , the games look flat a lot of the time and really detracts from the experience. Its hard to go from a rift down to a quest when your playing the same game.
Yep, smooth shaded polys and low-res blob shadows definitely don't provide a ton of stereo information. Mobile also pretty well kills the likelihood of seeing parallax mapping, as opposed to plain normal maps, which are needed if you want materials that provide stereo perspective correct shading.