A really useful starting point in understanding the PropTech field is from the consultancy-university report authored by Andrew Baum at Oxford University https://www.sbs.ox.ac.uk/sites/default/files/2018-07/PropTech3.0.pdf
If you need a companion to understand real estate development this collection is the best around
First class collection of real estate development literature, with an international framing.
Wonderful introduction to economics in the field of property from my old room mate.
Useful economics text on real estate in cities , with examples helping to demonstrate the theory and practice
Leading text on real estate investment as an asset class, with international cases that illuminate strategic theory that is used in practice