Docker image: docker pull ks32/crosswalk-build-tools
Follow instructions at https://crosswalk-project.org/contribute/building_crosswalk/android_build.html
and
https://crosswalk-project.org/contribute/building_crosswalk/tracking_branches.html
Sample Android project with native crosswalk: https://github.com/ks32/CrosswalkNative
Crosswalk is an app runtime based on Chromium/Blink.
It is an open source project started by the Intel Open Source Technology Center (http://www.01.org)
Check out our wiki.
How to use Crosswalk you can ask on the mailing list: https://lists.crosswalk-project.org/mailman/listinfo/crosswalk-help
Development of Crosswalk: https://lists.crosswalk-project.org/mailman/listinfo/crosswalk-dev
We are also on IRC: #crosswalk @ chat.freenode.net
Crosswalk's code uses the 3-clause BSD license, see our LICENSE file.