Bug in SA app for Android
This refers to your email regarding inability to expand (open in new window) images in articles - this feature was working in previous versions till a few months ago.
As advised in your email, I uninstalled the previous version and installed (and reinstalled) the new version 188.8.131.52 on my Samsung A9Pro running Android version 7.0
Note : your app version 4.18.2 is not available on the Google Play Store for my device
I am still unable to get the above feature to work.
Hope you can work on an upgrade to fix this