They hope to get regulatory approval by early next month

A few puffs into a handheld device, where nanosensors analyse your breath. Data is sent via a mobile app to a cloud-based service that within a few seconds says whether or not the testee has Covid-19.  That's the plan for a Tampere firm that is developing a Covid-19 breathalyser device.

https://yle.fi/uutiset/osasto/news/rapid_covid_breath_test_devices_developed_in_finland/11788674 - https://yle.fi/uutiset/osasto/news/rapid_covid_breath_test_devices_developed_in_finland/11788674

also of note:

The technology is not new either, as currently some 60 different illnesses can be diagnosed via breath tests. Rissanen says that in time, the company may be able to diagnose those as well.

I saw this on tv last night, and while it was fast I did have to wonder about a device that numerous people blow into, given how cov-sars virus seems to spread.