Thanks for your feedback @werberne.
We are sad, that you did not contact us before leaving a 1-star-rating. We’re sure we would have been able to help you out.
Of course, Blog2Social is fully responsive and you can use Blog2Social in your browser on your mobile devices.
May I ask you what issues you are facing exactly?
Please be so kind and contact our support team directly, or open a support ticket in the WordPress forum, as WordPress does not allow support in this review area. We will be happy to check this for you.