Sure. That would be interesting . I also have some interest on indoor positioning. I wrote a simple javascript script that can tell your position using Bluetooth Beacon. This is not the ideal app as you have to use a laptop. But my idea was to if and how it works with bluetooth Beacon. You can have a look into it here https://bleuio.medium.com/indoor-positioning-systems-based-on-ble-beacons-8a569ad3d69b
