Work in Progress: here are some notes on the current effort to build Activity Stream for Firefox on Android.
Build setup
Follow the default build instructions for an artifact build as per https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/Build_Instructions/Simple_Firefox_for_Android_build , but make sure you add the following line to your mozconfig to enable the Activity Stream panel:
ac_add_options MOZ_ANDROID_ACTIVITY_STREAM=1
Bugs
Mocks
Main Panel static mock
https://bug1288117.bmoattachments.org/attachment.cgi?id=8772865
Invision mock
https://mozilla.invisionapp.com/share/VW7ZBXV8Q#/screens/174427347_Browsing_-_Mozilla