"RewardsPlus for Merchant" is a mobile app, that is designed for the merchants use in the context of RewardsPLus:Rewards & More loyalty app business.
The RewardsPlus:Rewards & More offers a seamless, transparent, and user-friendly platform for earning, managing, and redeeming rewards across a wide network of retailers, service providers, and e-commerce platforms.

The "RewardsPLus for Merchant" app is used by merchant to approve or reject the bonus points request that is generated from the customer.
Similarly the merchants also approve the redeem operation that is requested by the end user.
This app also used for providing some analytic or statistic data requested by merchant apart from administration functions for the staffs.
Reference: Please use "RewardsPlus:Rewards & More" app as a reference