Our amateur paysites are all mobile friendly plus some have dedicated desktop tours.
Examples:
Real Couples desktop tour (will be directed to mobile tour below if viewed on mobile device)
Real Couples responsive/mobile/tablet tour
Ben Dover Movies desktop tour (will be directed to mobile tour below if viewed on mobile device)
Ben Dover Movies responsive/mobile/tablet tour
Not only do we have mobile friendly tours but have mobile friendly join page/biller page plus fully functioning (IE: not a cut down version) members area and our customers get access to every one of our sites regardless of which site they join.