Vue.js is not alone. Weex has already support Vue.js. Developers now can use Vue.js to write mobile apps.

[1] http://weex.apache.org [2] https://github.com/alibaba/weex/releases/tag/v0.10.0

Weex is a framework for building Mobile cross-platform UI. https://alibaba.github.io/weex

There sales is on the www.taobao.com and www.tmall.com

Weex is one of those technologies. It was running on TaoBao app actually.

https://github.com/alibaba/weex

They are using weex https://github.com/alibaba/weex

I know weex is being worked on by alibaba but is it actually confirmed that the live app is using this?

Yes, I confirmed that.

Is their actual app using weex though?

Alibaba's TaoBao and TMall are using it actually.