Natural Locomotion (Nalo) Tracker app is meant to work as a companion for Natural Locomotion for PC and running it in your iPhone will convert it into a foot or body tracker to be used with Natural Locomotion for PC.
Natural Locomotion is available on Steam for HTC Vive, Oculus Rift, Windows Mixed Reality, Pimax and Pico Neo VR headsets: http://store.steampowered.com/app/798810/Natural_Locomotion/
Nalo Tracker app in your iPhone could be used with many different devices combinations:
Seated:
· 1x Smartphone running as foot tracker in the foot.
Standing:
· 1x Smartphone running as feet tracker in one foot and a Nintendo Switch Joycon in the other.
· 1x Smartphone running as body tracker in the pocket and a 2x Nintendo Switch Joycon in the feet.
· 1x Smartphone running as body tracker in the pocket and a 2x Playstation 3 Move controllers in the feet.
· 2x Smartphones running as feet trackers in the feet.