Developer xcode -- 3

I have 3 mission it's very easy this app for download Apps
step one : link json Api in main
step tow : dark layout
step three : duplicates app with Api
link od App
https://mega.nz/#!pZAFHQpY!wjByrt7BxuInDnEcSXf02PQTSpFdsMzSR3M67eiI_j0
link of json
https://kw-plus.com/api/get-udid/TURBd01EZ3dNakF0TURBeE5UYzRRVGt4TVRaQk1EQXlSUT09