App name : YT Player
Its play youtube videos in Multiscreen mode like you are in india and your friend or family is in anywhere in the word you can play same videos and control from every Screen.
Idea is good, but why mobile number is required? A user should enter a any random number or code. Right?
So you may reach more users. Because everybody don’t know what will happen after we type our mobile number. But using a random code would be good perfect.