The official Fantasy football game is coming to Windows 10 Mobile soon. As spotted by reddit user Pserium, on official website company has included Windows 10 Mobile operating system as supported platform for their game.
Its not confirmed yet, that when game will hit Windows store but it may in July.( in some next weeks)

But still there are less chances to have app on Windows Phone 8x as company may release a Universal Windows Platform version intended for Windows 10 devices. So its excited to see, what’s going to happen.
So bookmark this page for more information about the app, as they will update info on that once their app gets published in store.