https://www.cnet.com/news/lg-g7-thinq-will-come-with-dedicated-google-assistant-button/

LG's upcoming G7 ThinQ smartphone will have a unique, physical connection to Google Assistant. 

The flagship phone, slated to be unveiled in a New York event on May 2, will sport a dedicated hardware button specifically for Google's digital assistant, according to people familiar with the smartphone. The Google Assistant button will be on the left side of the phone, while the power button is on the right. The fingerprint reader remains on the back.