Quantity   Component name
1 × The Pi Zero, of course. https://www.adafruit.com/products/2885
1 × TV Glasses https://www.adafruit.com/products/1452 and perhaps take them apart and find a better long term mount (e.g. in a hat). Eventually that could be upgraded if small HDMI displays become reasonable in price.
1 × Motion sensor https://www.adafruit.com/categories/59 One of these motion sensors to feed head movement back to the cell phone.
1 × Keyboard / Mouse https://www.adafruit.com/products/922 Optional Keyboard Mouse to connect either to your cell phone or to the Pi Zero
1 × Battery https://www.adafruit.com/products/1565
1 × Solar charging (optional) https://www.adafruit.com/categories/67
1 × Blueberry Pi: BLE Serial and LiPo (optional) https://hackaday.io/project/9548-blueberry-zero-keep-your-pi-in-your-pocket