Experimental Web-based OS leveraging B2G used in Firefox OS that works on PinePhone Pro, Librem 5, and Android phones through a GSI image.

Capyloon mobile Web-based OS works on Pinephone Pro, Librem 5, Pixel 3a - CNX Software

Capyloon is an experimental Web-based OS leveraging b2gOS that served as the base for the now-defunct Firefox OS. The developers' goal is to provide an