it's not an arcade game but more like an interactive book, an adventure game or a webdocumentary. So CPU speed and device reactivity doesn't really matter
than, Construct 2 is for you <img src="smileys/smiley2.gif" border="0" align="middle" />
try to build the game and see it yourself, beside that their also appmobi and cocoonjs option which his some boast benefit over phonegap, in case you care for performances.
[edit]
sorry didn't see the video point >_<
i think you can use plugin, but not sure about if would implemented with phonegap.
scirra.com/forum/plugin-video_topic46310.html