The Appbrain site received a minor updated today that allows it to display the full gamut of app screenshots from the Android Market as opposed to just two. Similarly, they're also working on an update that will make Gingerbread and Honeycomb-specific apps available, as they're noticeably absent at this point.
Open GApps can now optionally install Google Assistant
[Update: May enable Google Assistant on non-Pixels] Google App v6.13 "alpha" appears with support for Payments on Google Assistant, and prepares enhanced Offline Search, Lite Mode, Recent page, and much more [APK Teardown + Download]
Android 7.1.2 Beta finally hits the Nexus 6P, but fingerprint gesture support is missing