This may be of interest - MJ has just done a tweet linking to this article.
https://timesofindia.indiatimes.com/life-style/health-fitness/health-news/we-applied-our-expertise-in-nasal-airway-technology-to-help-address-the-global-covid-swab-supply-shortage/articleshow/84830778.cms?from=mdr
The article implies there was a recent user experience study completed in the Netherlands (n=204).
Towards the end there is a section "Will Rhinoswab be entering the Indian market".
Hopefully, he'll have something more concrete to say in the upcoming 4C.
dyor