YouTube
After discovering that Google has removed the VR capabilities from the IOS iPhone versions of its Apps, I looked around for alternatives, and stumbled upon a solution on YouTube, ironically also a company owned by Google.
And it actually looks to be the better solution, because its great reach.
Photo-Sphere: Paul Löbe Building
I have photoShopped various images into a photo-sphere to see in how far the technique would be suitable in creating a realistic VR gallery.
YouTube Smartphone App
This Photo-Sphere can opened on a regular smartphone for a full-screen VR effect, and using an inexpensive VR-headset such as Google-Cardboard, for an even better immersive experience.
www.youtube.com/watch?v=h6yWeh7DnoM