This adorable mouse simulator was on the 'PlayStation VR Demo Disc 2'. The small levels are very appealing, and controlling the mouse feels good, but the god-like interactions with the environment using the DualShock was frustrating. I wonder if the tracking was improved in the final game?
Screenshots marked with 🍒 are created by syltefar and are considered public domain, free to use for anything. If you want to, you can note where you found it and link to this page.