Office for Android Insider update June 2018 released with build number 16.0.10228.20010.

What’s new in this build:

Present from your phone: You can now walk into a meeting room with just a smartphone and present a slide show on a large screen. Obviously, you need an Android phone and large display that supports Miracast.

Hyperlinks in living colors: Yes, you can finally apply any font color you want to hyperlinks.

Calendar at your fingertips: Outlook for Android now supports calendar widget. With this support, you can access your calendar quickly, and easily scan and take needed actions.

Tracking Control: With Outlook for Android, you can now prevent senders from tracking whether you opened their emails by blocking links to external images in messages.

Support for favorites: You can now identify the folders and groups you want to be able to quickly access, and set them as favorites on Outlook for Android.