Thanks for the reply, But Im not that big of a DSLR enthusiast what do you mean by a lens that gives me the "framing" I want and what kinds of lenses are good up close ? .
So to recap I need a tripod with a ball head,these lenses and also I need to sync the refresh rate of the camera with the refresh rate of the phone screen itself.
What I mean is that it depends on what distance the camera will be from your surface and how much of "white space" you want and how much space you want the device to take. If you're filming different sized devices, either an adjustable lens or and adjustable tripod would probably be a good choice.
To give you an idea, turn on your phone camera, point it straight down on something on a desk and put an object there that you think is similar sized to the devices you're shooting. Now, move the camera up or down until you have what you think will be a good framing. For example, with my iPhone 6S Plus I'd put the camera at around 30-50cm above the surface to get the framing I'd like. I think the iPhone lens is 29mm so I can then start from that. If I can't get the camera close enough, I would get maybe a 40mm lens. Or if the tripod I'd have would make the camera be closer, maybe I'd get a 20mm lens.
If possible, I think a 50mm lens is considered what human eye sees, so that could also be a good starting point and then just get a tripod that gets the camera to give you the framing you want with that lens.