A:AnswerYou will need an adaptor. The projector doesn't have screen mirroring built in. if you have a chromecast or similar wifi device that has screen mirror then you could mirror your phone that way. otherwise you'll need a hdmi cable for your phone.
A:AnswerThe St200 would be able to produce an image under 12 inches, but it will be harder to get a clear enough projection to see as the short throw on the ST200 allows the projector to produce images of greater sizes.
