Samsung India on Tuesday launched Galaxy J3 Pro smartphone exclusively on Paytm Mall -- a mobile app and online shopping portal -- at Rs 8,490.The device offers advanced performance with its 1.5 GHz Quad Core processor and 2GB RAM. It also features 16 GB internal memory which can be further extended up to 128 GB."This is the first time Samsung is launching an online exclusive product Galaxy J3 Pro on Paytm Mall. It delivers powerful performance, outstanding display and also packs in consumer-centric features developed at our R&D centres in India," said Sandeep Singh Arora, Vice President, Online Business, Samsung India, in a statement.The smartphone also comes loaded with Samsung's unique 'Make for India' features such as Ultra Data Saving (UDS) mode and S bike mode."Our partnership with Samsung will help us bring this superb smartphone to the masses," Vijay Shekhar Sharma, Founder & CEO, Paytm, added.Galaxy J3 Pro will be available in three colour options of gold, black and white exclusively on Paytm Mall from April 6.