Go to your Magento 2 backend > SimiCart, you will see 5 tabs under Reward Points section: Earning Rates, Spending Rates, Manage Point Balances, Transactions, Settings.
In Configuration page, select Simiconnector > Simi Reward Points
1. General Configuration
It is same as Magento 1 configuration.
2. Display Configuration
There is a new field named Show total point balance next to My Account link which will display total point in Reward Points item at My Account page.
3. Email Configuration