This app was mentioned in 1 comment, with an average of 1.00 upvote
Then you would have to get an IR reciever (if your phone has ir) or buy an ESP8266 from ebay and send signal over webpage/app. Here is actually an app, think link to code is in the app https://play.google.com/store/apps/details?id=kr.co.tskit.ESP8266RGB
Here is also a link to consider: http://tronixlabs.com/news/control-ws2812b-rgb-leds-over-wifi-with-an-esp8266/