I am currently working on an Android application for accessing Wikipedia. Some (very early) preview screenshots are below:
Reading list
Content view
Tools for himself
Discussion checkmarks
This list:
Inline icon templates by shape and color
Any of the following inline, comment-level templates can be converted into {{Resolved}}-style hatnotes by using {{Resbox}} to put a box around the icon and text.
Template:Resolved/See also, the smaller family of thread-level hatnote templates, similar to the above but with a box around them; any template above can be converted to one of those with {{Resbox}}