Is it possible to implement this? You can select, but not view under thread.
Mobile version has less functionality that regular web version at this moment, we have internal roadmap that includes tags support ant other features so mobile will version will have almost all functionality within few months.
At this moment we working hard on the UserEcho for the IOS, so apps developers will have easy and fats way to embed UserEcho community directly in their applications.
By the way it's possible to switch to full web site version from the mobile version, on the mobile devices.