The term Play was nothing but Google Play Edition smartphone which had Stock Android UI without any customisation on top. The GPE smartphone users to receive updates directly from Google and was similar to what we saw on Android One series.Some of the smartphones which launched under GPE was Samsung Galaxy S4 GPE, Moto G Play, etc. which were available to purchase via Google Play Store.But Google has already ended this program in early 2015 and only Lenovo and Motorola were launching devices with name Play till date.
Next year will see the return of Play to Lenovo’s Moto G lineup in the form of the Moto G6 Play (alongside the G6 and G6 Plus).— Evan Blass (@evleaks) October 17, 2017
As per rumours Moto G6 Play will be the cheapest smartphone among the Moto G6 series and will have low-end Chip, lesser RAM and storage, and smaller display when compared with other two devices.As of now, we have no details regarding the launch date and availability.