https://www.reuters.com/article/us-health-coronavirus-britain-apps/contact-tracing-app-of-uks-nhs-almost-ready-the-times-idUSKBN23F2VC

The track and trace smartphone app of Britain's National Health Service (NHS), which is meant to help keep the novel coronavirus outbreak under control, will be ready for launch in time for the next lifting of lockdown restrictions at the start of July, The Times newspaper reported.