I have an Android and use the app much more than a browser on a puter. The way you describe the problem, you are not using the app. Safari shouldn't even be in the picture.
If I hit a link a to a thread in the forum, it opens my browser because the link was generated for a browser. So when my browser opens I get that message because the system knows I'm on a smart phone, so that's expected. Just browsing, reading or posting I don't see this happening.
John & Clare - Buck & Zeus - Jack & Husky
2008 Fleetwood Bounder 38P
Towd: 2 HD Streetglides