There is no doubt that Microsoft Modern UI works wonderfully on phones - it's simple, modern and intuitive. Microsoft today officially released the Windows Phone 8 upgrade to there mobile OS platform. To get the word across they have created an excellent video (posted below) comparing Apple iOS and Google Android with Windows Phone 8 in real world situations. After watching the video one can surely say it did succeed to get the message across - why Windows Phone 8 is better option.