Google Device Assist provides tips and proactive troubleshooting to help you get the most out of your device.

* Get proactive help with detected issues (GPS, connectivity, battery, etc.)
* Get tips to explore new features and improve the performance of your device

App available to Nexus, Google Play edition and Android One devices running Android 5.0, Lollipop and newer.
From version Device Assist 114878475:
What's new in 1.4:
* Recommended tips, only if you opt-in (Note: It may take up to 5 days for the Recommended group to be generated, after you opt-in))
* A diagnostic test to measure network speed
* UI and performance improvements
All versions
February 22, 2016
October 28, 2015
September 16, 2015
August 14, 2015
March 11, 2015
December 3, 2014