Motorola announced Moto G4 Play along with Moto G4 and G4 Plus. Moto G4 Play is powered by a Snapdragon 410 SoC and 5-inch Display similar to Moto G3 2015 (Review). Check out the comparison between Both devices.
Moto G4 Play and Moto G3 comes with 5-inch (1280 x 720 pixels) HD display powered by a  1.4 GHz quad-core 64-bit Snapdragon 410 processor coupled with 2GB of RAM and 16GB of internal storage which is further expandable with MicroSD card.
On Camera Moto G3 has a 13Mega-pixel rear camera where as Moto G4 Play has 8MP rear camera. both devices comes with 5MP front facing camera. Both devices runs on Android marshmallow.
Moto G4 Play  Vs Moto G3
| Display : 5-inch (1280 x 720 pixels) HD display | 5-inch HD Display |
| CPU: 1.4 GHz quad-core 64-bit Snapdragon 410 (MSM8916) | 1.4 GHz quad-core 64-bit Snapdragon 410 (MSM8916) |
| Adreno 306 GPU | Adreno 306 GPU |
| RAM Â 2GB | 2 GBRAM |
| ROM Â 16 GB internal storage with microSD card support up to128GB | 16 GB internal storage with microSD card support |
| Camera 8MP rear camera with LED flash, f/2.2 aperture | Â 13MP rear camera with LED Flash |
| 5MP front camera | 5MP front camera |
| 4G LTE. 3G, WiFi  802.11 b/g/n ,Bluetooth 4.0 | 4G LTE. 3G, WiFi  802.11 b/g/n ,Bluetooth 4.0  IPX7 rating for water resistance |
| Â Dual SIM | Dual SIM |
| 2800mAh battery with Quick Charge | 2470mAh Battery |
| OS- Android 6.0.1 (Marshmallow) | Â OS- Android 6.0.1 (Marshmallow) |
| Dimensions: 144.4x72x8.95-9.9 mm; Weight: 137g | Dimensions: 155.7 x 77.3 x 8.9 mm; |
Moto G3 is now available in  at Rs 10,999 , Moto G4 Play is priced at Rs 8999 in India