I don't think Chrome allows access to storage devices through webusb.
73 karma · joined May 7, 2013
https://igor-blue.github.io/2021/02/04/secure-boot.html#earl...
When I first saw android, it seemed to me somewhat familiar. The vm that runs custom bytecode, etc.
Sadly, it looks like all the forums and mailing lists are now gone. I found a site with the source code of some apps, https://hipme.com