This is a new preview version of the former app. In the Android app “Switch to Windows Phone”, we are offering you two ways to move your data from an Android phone to Windows Phone. You need this WP app if you choose WiFi way in the Android app. If you’ve already set up your Windows phone. You’ll be able to move your contacts, text messages, photos, videos, and music over directly using virtual Wi-Fi. You do not need any network, real WiFi router or account.