Microsoft seems to be giving some extra care and attention to some of its Android apps. Both the OneDrive and Bing apps have recently received updates. The major highlight in OneDrive is Chromecast support. It works in the usual way - just open up a photo or a video from your OneDrive and a Chromecast icon should appear on to titlebar if there are any Chromecast receivers in your vicinity. There are some other smaller tweaks in OneDrive here and there too. The Home tab, for instance, now prominently features the Recent view with the last files you interacted with, so you can quickly pick up...
Source: https://www.gsmarena.com/microsoft_pushes_ui_refresh_and_new_features_to_onedrive_and_bing_android_apps-news-48711.php