Forumotion automatically makes apps for each forum, and I just figured out how it works if anyone would like to use an app native to a mobile device if you aren't on a computer. Here's how it works. When you visit the forum, there should be a pop-up message that asks if you want to install the app. You can accept or decline. If you decline, the pop-up won't reappear, but the option to download it should appear in your browser as an icon, possibly like this screen shot:
Columbine Research