Spoiler: Yes, the control hints are right next to the download links. That YT link was a joke - I assume if you kept holding right you'd get stuck against a wall or something.
Spoiler: Nope. Hell, if you spend time collecting the chests, you'll miss out on a whole ton of potential scenery, which is exactly the point.
Spoiler: Edit: Although I will take away from this that getting married adversely affects your scoring potential. In more ways than one.
Spoiler: Besides, what are points worth when you're dead?