Did you install IPA correctly? After dropping the files in the folder, you have to drag/drop VRKanojo on top of IPA to patch it and generate the correct shortcut.
Also, you use the grip-buttons to move around.
re: [ILLUSION] Honey♥Select (ハニーセレクト) - Discussion & FAQ
As with the Oculus Rift patch, it lets you toggle to a VR view of the scene via the "m" key. It's not even worth installing, in my opinion, as you can't move around or do anything besides sit there, and is also somewhat buggy. Just use...
I just wanted to add my voice to being very much in favor of 4096x4096 skin textures. Myself and many others are using HS via VR headsets, which allow you to scrutinize the models much closer than you typically would with a monitor. The higher the resolution the better! Unity 5 doesn't mind...