I think the w550io is one of the latest ones - but yes the API is similar so you might be able to compile with others. Hopefully at some point we will get them all in one binary.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Thanks. I'll update the link. For now it is http://www.espruino.com/binaries/git/commit_date/ - just choose the latest.
I think the w550io is one of the latest ones - but yes the API is similar so you might be able to compile with others. Hopefully at some point we will get them all in one binary.