Tell me some reasons why should I swich from android to windows phone?

I used to be a great Nokia fan. Since Nokia started producing Windows phone I switched to Samsung. Because simply there are a lot going on in the android industry and community. But I would like know know few benefits of windows phones over android

via Forums de téléphone cellulaire (en français) http://cellphoneforums.net/fr/nokia/t365368-dites-moi-quelques-raisons-pourquoi-devrais-je-swich-d-android-pour-windows-phone.html