Such a cool idea! I’m always hoping for ways for my students to see their phones as a tool, rather than a toy. This would be such a fun tool! I follow on Facebook and Instagram “Vancouver Then”,a site that shows photos of old sites in the city. It’s alsways absolutely fascinating. This idea would take that and bring it to the next level by having the learner present on site and able to interact with it in a way heretofore impossible. Absolutely awesome. I’d invest in this if I had any money at all. Which I do not.