Step 1: Go to Flits Admin Setting section.
Step 2: Go to the Credit section.
Step 3: In the Credit section, please scroll at the bottom, to set up the credit rule for a product review.
Step 4: You can set credit value so the customer will get "x$" credit per review.
Step 5: You can set time limitations as well as credit limitations. The customer will get the maximum "x$" credit in "x" days time duration.
Step 6: Done
If you need any help regarding this, please drop a mail at email@example.com