Show Reward Point of Customer in Header plugin do exactly what it’s name implies. In OpenCart, After login as Customer to view reward point customer have to go to My Account > Your Reward Points. This Free extension / plugin of OpenCart show Rewards points in Header under Login info.
Here is the screenshot how it looks like on default theme.
This is VQMOD extension of OpenCart. No Core file is updated using VQMOD.
You can download this plugin from here.