I have tried entering several different urls for google images in the blacklist and so far non have work to block it. I am using mobi on my iPhone and PC (win7).
We need to look into your account settings to isolate the exact cause of the issue. So, please send an email to our Email Support via your registered email id and we will investigate further asap.
Mobicip Support Mar 7, 2017
Re: Google images still accessible despite being blacklisted
We need to look into your account settings to isolate the exact cause of the issue. So, please send an email to our Email Support via your registered email id and we will investigate further asap.