first, download 'U+아이돌 Live apk' through your browser since this can't be seen on play store.
here's the link: https://bit.ly/2Cx0Otb
here's the link: https://bit.ly/2Cx0Otb
open your U+아이돌 Live app, click Ξ on the left side of the corner, click ILAND and the first image to appear (info from @sunoodebut )
Then go to this link to watch sunoo's fancam and press hearts: https://idollive.page.link/fQJm