The browser is accessible out-of-the-box in the "Beta" section. You only need to edit the config file if you want it full-screen. If you open the browser with i

The browser is accessible out-of-the-box in the "Beta" section. You only need to edit the config file if you want it full-screen. If you open the browser with it set to full-screen, I believe the only way to exit is to restart the Kobo, bringing you back to the home screen. So yes, it is still fully usable.