Self-standing mobile phones?

IOL claims that weighting a cellphone on the bottom, will allow the phone to right itself and be free-standing.
From Textually


Personal note: Just me, or does everyone else see a flaw in this? What if it is laying down? And the last thing I would ever want is to add more weight to a lady’s purse. We could potentially have to give out concealed weapons permits for those that carry mobiles.