Originally Posted by MartinS
They are all mp4 files ripped from DVD.
I play mp4's using a flash drive, plugged into an OTG cable, and "Nexus Media Importer" app.
When the app loads, just select a file, and click "Stream" (top of the window). They'll play.
Depending on which media players are installed on the N7, you'll be offered a choice of player.