Plenty of people use their smartphone for streaming and filmmaking these days. You are going to need a proper video light, microphone, and tripod to take your production to the next level. The iRig Video Creator Kit can help. It comes with a smartphone lavalier microphone, LED ring light, and multi-function stand.
The 6″ LED right light has color temperature and brightness adjustment. The included iRig Mic Lav plugs into your phone or tablet via headphone jack.[where to get it]