The "no boxed gifts" simply means that the couple prefers cash, which is a often a customary "gift" in India by persons other than close friends and family.
Seen on wedding invitations, the couple are frankly demanding cash gifts. This has become a trend in desi culture, mostly among Pakistanis. It is considered bad etiquette and a faux pas by most people, since it is rude to mention gifts in wedding invitations at all.
guy: what should we get them as a gift?
girl: well, the invitation says 'no boxed gifts'
guy: are you serious?! that is so cheap. it's like they're asking for money. let's just give them a card and have it done with.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.