App based on this technology has started working here at Bharat (a.k.a. India ) ( population 1.3 Billion ). I hope the government uses it wisely. https://play.g

App based on this technology has started working here at Bharat (a.k.a. India ) ( population 1.3 Billion ). I hope the government uses it wisely. https://play.google.com/store/apps/details?id=nic.goi.aarogyasetu https://play.google.com/store/apps/details?id=nic.goi.aarogy...