There's an option to add an app icon to your phone screen, if you tend to use the mobile site. It's not a full app you download, but a bit like a bookmark or shortcut to the webpage, but a bit more than that, as it's full screen and no browser bar baggage at the top 
Details here
www.secondwivesandstepmums.com
Details here
Mobile App
If you generally use your mobile to access the forum, rather than a computer, there is the option to install the site as a kind of app on your phone or tablet. It's in the mobile menu (hamburger menu - 3 bars top left). Where it says "install app". If you tap on that it opens up a...
www.secondwivesandstepmums.com