For those interested.
https://groups.google.com/forum/#!msg/nwjs-general/Xbq64dUKZsk/_pTwW7hgAfkJ
Still jerky for me. Although signs are good, as the latest version of Chrome (43) works great. Lets hope they move to that asap.
NW.js v0.13 is based on Chrome 43, so hopefully that will be the end of it...
Develop games in your browser. Powerful, performant & highly capable.
Ashley
Yeah i saw that although it is still in alpha i think.