From their site:
Tapatalk is a forum app on the iPhone (http://"http://tapatalk.com/mobile.php#iphone"), Android (http://"http://tapatalk.com/mobile.php#android"), webOS (http://"http://developer.palm.com/appredirect/?packageid=com.newnessdevelopments.forums"), Windows Phone 7 (http://"http://www.board-express.com/") and BlackBerry (http://"http://tapatalk.com/mobile.php#blackberry"). Tapatalk Forum App provides super fast on-the-go forum access to majority of the discussion forums that has activated the Tapatalk plugin.
Showing New and Unread Thread with Avatar and Number of reply:
(http://tapatalk.com/mu/77ec8c55-d161-2949.jpg)
Images are thread are converted to thumbnail and allow full-screen viewing
(http://tapatalk.com/mu/77ec8c55-d19e-1d77.jpg)
Ability to see Who's Online and what they are doing:
(http://tapatalk.com/mu/77ec8c55-d1b3-cbe1.jpg)
Ability to search by topics and posts:
(http://tapatalk.com/mu/77ec8c55-d1cd-05b1.jpg)
Ability to upload images directly from Android and iPhone!:
(http://tapatalk.com/mu/77ec8c55-d44e-0fbc.jpg)
Forum Moderation support:
(http://tapatalk.com/mu/77ec8c55-d44e-0fbb.jpg)
Check out http://www.tapatalk.com (http://www.tapatalk.com) for more information!