The device do looks gorgeous in Black color, However It is only available in Lunar Gray and Fine Gold color options in most of the Markets. In case, if you want the Black color you can get it from China.
Specs wise, the Moto Z2 Play offers a 5.5-inch FHD display with increased brightness levels. You get the Snapdragon 626 with 3GB/4GB of RAM and 64GB onboard storage. The device also has a 12MP Dual Pixel camera at the back along with an 5MP snapper at the front with dual-tone LED flashlight. And yes, a 3000mAh battery.
The Moto Z2 Play features just 5.9mm thickness, and it comes with the aluminium body rather than the glass one seen on Moto Z Play. Also, the Z2 Play will have the camera bump at the back, for all the Moto Mods.