Buy each girl separately and own them forever. No membership required.
Supported VR Headsets: HTC Vive, Oculus Rift, Microsoft Mixed Reality
SinVR does *not* currently support Oculus Quest, Oculus Go, Samsung GearVR or Android/Cardboard
'Full Entry' Unlimited Memberships
are for Windows PC version only,
*not* Android / Cardboard
SinVR for Android is no longer supported,
but can be downloaded HERE