The title says it all. You can see the mobile version at http://m.orkut.com.
Using the mobile version you can:

• See all your scraps
• See all updates from friends
• Search for friends
• Write scraps
• Respond to friends requests
• Get birthday reminders

Most part of the site is easily accessible through shortcuts. Communities are not currently supported but will probably be when the site is officially released by Google.

via Google Operating System