https://www.theverge.com/2018/6/21/17489778/amazon-announces-alexa-phone-motorola-moto-g6

Amazon is adding two more phones to its Prime Exclusive collection today, with the announcement of the Moto G6 Play and Moto Z3 Play. Both devices will come with Alexa as the default voice assistant.

The G6 Play and Z3 Play will both be available unlocked so you can use them on Verizon, AT&T, T-Mobile, or Sprint. As part of the Prime Exclusive collection, Prime members will get a discount on the devices along with preloaded apps like Prime Photos, Video, and Music. They can also access Alexa by tapping the Alexa app icon or double-pressing the power button.