You're in luck! Your OPP site is mobile device friendly.
The only thing that you need to be sure of is that you are using a Template for your site, not a Flash skin, for your site (you'll only see the Flash skins as an option in your Control Panel if you've been using one for a long time.
If you don't see this option, don't worry – this means you're using the mobile-friendly Templates!
Voila! Your site is now viewable on mobile devices. Welcome to the world of the future!