What is the issue, it looks fine to me, you mean you can’t double click on your iphone?
Did you already try to test it on Mac/MacBook? You can use webdeveloper tools for testing and fix it in the webmodeler. Have you tried this and does it occurs on all Iphone devices (tested on Iphone 5, 6, 8) with different iOS software versions?
Mac for iOS Apps
With Mendix and PhoneGap Build, it is possible to test on iOS devices without the need for a Mac/MacBook. However, if you want to publish iOS apps you’ll need a Mac/MacBook. Apps can only be published via Xcode or Application Loader, both of which require OSX, so make sure there is a Mac available. For testing and debugging on IOS devices, it is also useful to have a Mac.