Perhaps the major change found in Windows 10 Mobile version 10.0.12555.74 is the transparency slider option in the Start personalization page to set the level of transparency for the Live Tiles, which is similar to the transparency option Microsoft included in Xbox One to allow users to see more of the background image. This slideshow requires JavaScript. Furthermore, build 10072 for phones doubles the amount of solid colors users can choose as the color scheme for their handsets to forty-eight. It also seems that users get access to the new Windows Store to download Word Preview and PowerPoint Preview mobile apps part of the suite of Office apps. Source ITHome All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.