The Moto G4 and G4 Plus being 5.5" Smartphones with Almost Similar features while The Moto G4 Play is a 5" Smartphone with low end features.
The Moto G4 Play is a bit different from other Motorola Smartphones, The Device has NFC and a removable battery. The Smartphone only has a 16GB variant.
Other Specifications of Moto G4 Play includes a 5-inch 720p Display with Snapdragon 410 processor and only 16GB storage option, The Device has 2GB of RAM . Moto G Play has 8MP Rear camera and 5MP Front camera . The device is Powered with a 2,800mAh battery .
Read Full Specification of Moto G4 Play Here.
Source:- Motorola | Amazon